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Author Question: Solve the problem. Round your answer to one decimal place, if necessary.A random sample of 30 long ... (Read 61 times)

moongchi

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on: Jan 18, 2020

Question 1

Solve the problem. Round your answer to one decimal place, if necessary.

A random sample of 30 households was selected from a particular neighborhood. The number of cars for each household is shown below. Find the 95% confidence interval for the mean number of cars per household for the population of households in this neighborhood.



◦ 1.2 cars < μ < 2 cars
◦ 1 car < μ < 2 cars
◦ 1.5 cars < μ < 1.9 cars
◦ 1.1 cars < μ < 1.7 cars

Question 2

Solve the problem. Round your answer to one decimal place, if necessary.

A random sample of 30 long distance runners  aged 20-25 was selected from a running club.  The resting heart rates (in beats per minute) of the runners are shown below. Find the 95% confidence interval for the mean resting heart rate for the population of long distance runners aged 20-25.



◦ 64.9 beats per minute < μ < 70.9 beats per minute
◦ 64.1 beats per minute < μ < 70.1 beats per minute
◦ 64.6  beats per minute < μ < 71.6 beats per minute
◦ 63.7 beats per minute < μ < 72.2 beats per minute
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Marked as best answer by moongchi on Jan 18, 2020

Ptupou85

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Reply #1 on: Jan 18, 2020
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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moongchi

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Reply 2 on: Jan 18, 2020
Wow, this really help

bimper21

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Reply 3 on: Yesterday
:D TYSM

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