High blood pressure has been identified as a risk factor for heart attacks and strokes. The National Health and Nutrition Examination Survey reported that the proportion of U.S. adults with high blood pressure is 0.3. A sample of 38 U.S. adults is chosen. (a) Is it appropriate to use the normal approximation to find the probability that more than 40% of the people in the sample have high blood pressure? If so, find the probability. If not, explain why not. (b) A new sample of 80 adults is drawn. Find the probability that more than 40% of the people in this sample have high blood pressure. (c) Find the probability that the proportion of individuals in the sample of 80 who have high blood pressure is between 0.23 and 0.32.

Answers

Answer 1

Answer:

The National Health and Nutrition Examination Survey reported that the proportion of U.S. adults with high blood pressure is 0.3. A sample of 38 U.S. adults is chosen. a. Is it appropriate to use the normal approximation


Related Questions

HELP, MCQ urgent, now

Answers

Answer:

angle 13 and 16 is your answer ☺️☺️☺️

Answer:

∠13 and ∠16.

Step-by-step explanation:

The definition of adjacent angles is "two angles that have a common vertex and a common side but do not overlap" (Varsity Tutors). In accordance with the standards, only angles 13 and 16 are adjacent.

Hope this helps!

Please help tysm! will mark brainily for whoever answers first and correct ^^

What is the volume of the cylinder below?

A. 98pi units3
B. 784pi units3
C. 112pi units3
D. 196pi units3

Answers

Answer:

D) 196π

Step-by-step explanation:

Volume of a cylinder formula:

V = πr²h

Given:

r = 7

h = 4

Work:

V = πr²h

V = π7²(4)

V = 49(4)π

V = 196π

I don’t know how to get the answer

Answers

Answer:

c = 88

Step-by-step explanation:

c = 180 - a - b

c = 180 - 43 - 49

c = 137 - 49

c = 88

Answer:

c= 88

Step-by-step explanation:

What you want to do is take (a) which it says is 43 and (b) which it says is 49 and plug them into the equation. Here it says c = 180 - a - b so what you would do is take c=180-43-49 or c=88.

Hopefully that helps ;)

use the graph f(x)=-x^2+8x+20 to determine the values of m for which m= -x^2+8x+m=0 will have two positive roots​

Answers

Answer:

first root -2 and the second is 10

Step-by-step explanation:

delta=b squared-4ac=64-4(-1)(20)=144>0

then we have 2 +roots

x1= -b+ radical delta/2a =-2

x2=-b - radical delta/2a=10

The value of m for which -x² +8x+m=0 to have two positive roots is m ≤ 0.

What is a polynomial?

A polynomial is an expression that involves the addition, subtraction and multiplication of variables.

A quadratic polynomial is a polynomial of degree 2.

Given that:

f(x)=-x² + 8x + 20

To determine the values of m for which -x² +8x+m=0 would have two positive roots​

For -x² +8x+m=0 to have two positive roots, m ≤ 0.

The value of m for which -x² +8x+m=0 to have two positive roots is m ≤ 0.

Find out more on polynomial at: https://brainly.com/question/2833285

can you help me with this, please? ​

Answers

Hello! I will help you. ALL of the numbers are Rational numbers.

Irrational numbers are numbers which have infinite digits that are not in an order.

0.11111111111 is in an order as it always goes like 1 more digit and it’s also 1


so yeah could you mark me as the brainliest

I need help finding the volume of the diameter please help ASAP!!!

Answers

Answer:

6885.1 yd^3

Step-by-step explanation:

the shape in the attached image is a sphere.

thus, we are to find the volume of a sphere

Volume = 4/3 nr^3

n = 22/7

r = radius

the diameter is the straight line that passes through the centre of a circle and touches the two edges of the circle.

A radius is half of the diameter

radius = 23.6/2 = 11.8 ft

4/3 x 22/7 x 11,8^3 = 6885.1 yd^3

the tenth is the first number after the decimal place. To convert to the nearest tenth, look at the number after the tenth (the hundredth). If the number is greater or equal to 5, add 1 to the tenth figure. If this is not the case, add zero

Need answer Like ASAP

Answers

Answer:

I believe its C

Step-by-step explanation:

My bad if im wrong tho

Evaluate the function.

Answers

Answer:

Step-by-step explanation:

Nothing further can be done with this topic.  

f ( x ) = 3 x 2 − 10 x − 9

2,3
coordinates plot it.

Answers

it should look like this

how many times is 3 in 43.999 than the value of the digit 3 in 42.103

Answers

Answer:

1. 14.666 ¯ over the 3

2. 14.034 ¯ over the 3

Step-by-step explanation:

Is (x+4)^2equivalent to 2x^2+8x+8

Answers

Answer:

[tex](x+4)^{2} = x^{2}+8x+16[/tex]

Step-by-step explanation:

what is the slope of y=17x+43

Answers

the would slope would equal 17

Answer:

17

Step-by-step explanation:

It is simple

As the slope is represented by m,

And the equation of line is

y=mx+c

Therefore, here m=17, which is the slope of the given eq.

A plane region that revolves completely about a line sweeps out a solid of revolution. Describe the solid of revolution you get by revolving the region to the right about line
L
Choose the correct answer below.
A. The solid of revolution is a cylinder
B. The solid of revolution is a circle.
OC. The solid of revolution is a sphere.
OD. The solid of revolution is a cone

Answers

the answer is A ) the cylinder

hi someone fill out this chart pls. will give brainly if u do it correctly

Answers

Answer:

1 → 10

2 → 1000

3 → 16

4 → 64

5 → 6

6 → 36

7 → 7

8 → 343

If angle 3 is 3x and angle 5 is 2x+30, what are the measures of angle 3 and 5?

Answers

Answer:

23

Step-by-step explanation:

[tex]\sqrt[3]{-125^{4} }[/tex]


plz give me the full step

Answers

Answer:

-166.6666667

Step-by-step explanation:

the full step u r welcome

Please answer my question

Answers

Answer:

A

Step-by-step explanation:

Ja'hones has pizza dough for making pizza. she separates the dough into three portions
listed below.

Portion A is 8.25 ounces
Portion B is twice as much as portion A
Portion C is twice as much as portion B

What is the weight, in ounces, of portion B and the weight, in ounces, of portion C?

Answers

Answer:

Portion B is 16.5 ounces.

Portion C is 33 ounces.

Step-by-step explanation:

Portion B.

8.25 * 2 = 16.5

Portion C.

16.5 * 2 = 33

Hope this helps! :)

PLEASE PLEASE HELP!! ITS DUE TODAY!!

10.
Find the approximate area of the lake whose shape is overlaid on the grid below. Each
square of the grid represents one square mile. (3 points)

Answers

Answer:

7.5 square miles

Step-by-step explanation:

Begin by counting the number of squares that the lake completely or almost completely covers. There are six of these, as indicated by an X. Then find the squares which are about half covered by the lake. These are indicated by a Y. There are three of these. The remainder of the squares that contain some portion of the lake are less than half covered, so we will not count them.

Irregular Object

1 square = 1 sq. mile

Each X counts as one square mile, and each Y counts as 0.5 (12) of a square mile.

(6 × 1) + (3 × 0.5) = 6 + 1.5 = 7.5

The area of the lake is about 7.5 square miles.

The approximate area of the lake whose shape is overlaid on the grid below is 7.5 square miles

Begin by counting the number of squares that the lake completely or almost completely covers. There are six of these, as indicated by an X. Then find the squares which are about half covered by the lake. These are indicated by a Y.

There are three of these. The remainder of the squares that contain some portion of the lake are less than half covered, so we will not count them.

Irregular Object

1 square = 1 sq. mile

Each X counts as one square mile, and each Y counts as 0.5 (12) of a square mile.

(6 × 1) + (3 × 0.5) = 6 + 1.5 = 7.5

The area of the lake is about 7.5 square miles.

To know more about  "area."  here

https://brainly.com/question/25292087

#SPJ2

Freckles and Rocky are Miss Nagel's puppies. They each eat their food at a different rate which is shown below. Who eats the fastest and how many more pieces per second?

Rocky

Time in seconds (t) 2 5 6 10
Pieces of dog food eaten (p) 8 20 24 40
Freckles

p = 7t

let p = pieces of food taken

let t = time in seconds

Answers

Answer:

A

Step-by-step explanation:

Number 10 please help 10 points no links pleAse

Answers

Answer:

A. (8,14)

Step-by-step explanation:

When looking at the chart pairs there is no other matching option than (8,14).

You have to look in at each column to see the pairs (ex. 8,16 and 4,10).

The answer would be (8,14)

Solve for u.
11u = -22
Simplify your answer as much as possible. <3

u = ???

Answers

Answer:

u=-2

Step-by-step explanation:

Let's solve your equation step-by-step.

11u=−22

Step 1: Divide both sides by 11.

11u

11

=

−22

11

u=−2

Answer:

u=−2

Make q the subject of the formula p = 2q2 .​

Answers

Answer:

q = ± [tex]\sqrt{\frac{p}{2} }[/tex]

Step-by-step explanation:

Given

p = 2q² ( divide both sides by 2 )

[tex]\frac{p}{2}[/tex] = q² ( take the square root of both sides )

± [tex]\frac{p}{2}[/tex] = q

Answer:

q = +√p/2

Step-by-step explanation:

p = 2q²

divide both sides by 2 and root we get,

√p/2 = √2q²/2

√p/2 = q

q = +√p/2

Thus, q = +√p/2

-TheUnknownScientist

Plz plz plz plz plz plz find x

Answers

Answer:

36 i think

Step-by-step explanation:

PLEASE!!! I need this turned in tonightttt

Answers

Answer:

8 like I'm trying maybe I'll be good at math someday

Step-by-step explanation:

hehe

plzzzz help ASAP! Due in 5 mins

Answers

d=diameter ;r=radius
answer: i put both just in case

help please if correct i may or may not give brainlest

Answers

Answer

no yes yes yes

Step-by-step explanation:

Answer:

no, yes, no, yes

Step-by-step explanation:

Which fraction is equivalent to -3/2?

Answers

3/-2 so the first option

Sandra bought a pair of leather boots that were marked down by 20%. The original cost of the boots was $150. What did Sandra pay for the boots

Answers

Answer:

130 maybe

Step-by-step explanation:

Answer:

120

Step-by-step explanation:

It is 120 because if you do 20% of 150 that's 30 so subtract that with 150 leaving you 120.

Need help on this for brainliest

Answers

Answer:

Your answer is letter d

Step-by-step explanation:

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