According to Reader's Digest, 43% of primary care doctors think their patients receive unnecessary medical care. a. Suppose a sample of 310 primary care doctors was taken. Show the sampling distribution of the proportion of the doctors who think their patients receive unnecessar medical care. Use z-table. E(p) (to 4 decimals) b. What is the probability that the sample proportion will be within +0.03 of the population proportion. Round your answer to four decimals. c. What is the probability that the sample proportion will be within +0.05 of the population proportion. Round your answer to four decimals. d. What would be the effect of taking a larger sample on the probabilities in parts (b) and (c)? Why? The probabilities would - Select your answer - v. This is because the increase in the sample size makes the standard error, op, Select your answer - v
According to Reader's Digest, 43% of primary care doctors think their patients receive unnecessary medical care. a. Suppose a sample of 310 primary care doctors was taken. Show the sampling distribution of the proportion of the doctors who think their patients receive unnecessar medical care. Use z-table. E(p) (to 4 decimals) b. What is the probability that the sample proportion will be within +0.03 of the population proportion. Round your answer to four decimals. c. What is the probability that the sample proportion will be within +0.05 of the population proportion. Round your answer to four decimals. d. What would be the effect of taking a larger sample on the probabilities in parts (b) and (c)? Why? The probabilities would - Select your answer - v. This is because the increase in the sample size makes the standard error, op, Select your answer - v
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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Transcribed Image Text:According to Reader's Digest, 43% of primary care doctors think their patients receive
unnecessary medical care.
a. Suppose a sample of 310 primary care doctors was taken. Show the sampling
distribution of the proportion of the doctors who think their patients receive unnecessar
medical care. Use z-table.
E(p)
%3D
(to 4 decimals)
b. What is the probability that the sample proportion will be within +0.03 of the
population proportion. Round your answer to four decimals.
c. What is the probability that the sample proportion will be within +0.05 of the
population proportion. Round your answer to four decimals.
d. What would be the effect of taking a larger sample on the probabilities in parts (b)
and (c)? Why?
The probabilities would - Select your answer - v. This is because the increase in the
sample size makes the standard error, op,
Select your answer - v
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