d. Based upon a smaller sample of only 150 St. Paulites, what is the probability that the sample proportion will be within 0.06 of the population proportion (to 4decimals).probabilitye. As measured by the increase in probability, how much do you gain in precision by taking the larger sample in parts (a) and (b) rather than the smallersample in parts (c) and (d)?Reduced byHave gain in precision by increasing the sample. Thirty-three percent of all Americans drink bottled water more than once a week (Natural resources Defense Council, December 4, 2015). Suppose you havebeen hired by the Natural Resources Defence Council to investigate bottled water consumption in St. Paul. You plan to select a sample of St. Paulites toestimate the proportion who drink bottled water more than once a week. Assume the popluation proportion of St. Paulites who drink bottled water more thanonce a week is 0.33, the same as the overall proportion of Americans who drink bottled water more than once a week. Use z-table.

Given Information: Population proportion of St. Paulites who drink bottled water more than once a…

Answered: d. Based upon a smaller sample of only…

d. Based upon a smaller sample of only 150 St. Paulites, what is the probability that the sample proportion will be within 0.06 of the population proportion (to decimals). probability =

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.6: Summarizing Categorical Data

Problem 25PPS

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Concept explainers

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.

Question

d. Based upon a smaller sample of only 150 St. Paulites, what is the probability that the sample proportion will be within 0.06 of the population proportion (to 4
decimals).
probability
e. As measured by the increase in probability, how much do you gain in precision by taking the larger sample in parts (a) and (b) rather than the smaller
sample in parts (c) and (d)?
Reduced by
Have gain in precision by increasing the sample.

Thirty-three percent of all Americans drink bottled water more than once a week (Natural resources Defense Council, December 4, 2015). Suppose you have
been hired by the Natural Resources Defence Council to investigate bottled water consumption in St. Paul. You plan to select a sample of St. Paulites to
estimate the proportion who drink bottled water more than once a week. Assume the popluation proportion of St. Paulites who drink bottled water more than
once a week is 0.33, the same as the overall proportion of Americans who drink bottled water more than once a week. Use z-table.

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