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amm1812
3 years ago
7

(CORRECT ANSWER GETS BRAINLIEST!!! 20 POINTS!!!)

Mathematics
1 answer:
bixtya [17]3 years ago
6 0
Last answer. 288. Modifying above 8 with bar
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in a survey of 3271 adults aged 57 through 85 years, it was found that 88.7% of them used at least one prescribed medication​
mixer [17]

How many of the 3271 subjects used at least one prescription​ medication? Round to the nearest integer as​needed.)

Answer:

2902

Step-by-step explanation:

Let the total number of adults within the mentioned age bracket be n=3271

The proportion of adults who used at least one prescription medication be p=88.7%=0.887

The point estimate of population is given by

p=\frac {x}{n} where x is number of individuals in the sample with the specified characteristics and n is the sample size.

Let x be the adults who used at least one prescription medication

0.887=\frac {x}{3271}

x=3271*0.887=2901.377\approx 2902

3 0
3 years ago
The student population at the University is currently 400. The expected annual rate of increase is predicted to be 0.02. What wi
kotegsom [21]

Answer:

The population of the students at the University after 5 years is <u>442</u>.

Step-by-step explanation:

Given:

Current population of students is, P_o=400

Growth rate is, r=0.02

Time after which population is needed is, t=5\ years

Let 'P' be the population after 't' years.

Population growth is an exponential growth and the equation to determine the population after 't' years is given as:

P=P_oe^{rt}

Now, plug in 400 for P_o, 0.02 for 'r', 5 for 't' and solve for 'P'. This gives,

P=(400)e^{0.02\times 5}\\\\P=400\times e^{0.1}\\\\P=400\times 1.1052\\\\P=442

Therefore, the population of the students at the University after 5 years is 442.

8 0
3 years ago
I need a answer to B.
Contact [7]

Answer:

I don't know why? should i answer

Step-by-step explanation:

7 0
2 years ago
The Exchange of gases inside the long occurs inside tiny sacs called what .the oxygen will be carried to the rest of the body by
vaieri [72.5K]
Gas exchange occrs in the alevoli which are tiny air sacs in your lungs. the oxygen will then be carried off by capillaries which is part of ghe circulatory system.
6 0
3 years ago
The storage container below is in the shape of a rectangular prism with a height of 6 feet and a length that is 2 feet more than
nadya68 [22]
The length is 2 feet more than the width so L = w+2
 so volume = (w+2) * w * 6
 use distributive property:

(w*w + 2*w) * 6 =
(w^2+2w) *6 =

use distributive property again:

w^2 *6 + 2w*6 = 

6w^2 +12w


4 0
2 years ago
Read 2 more answers
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