16You run a bank and want to estimate the bank’s average number of customers per day (the population is all the days you are open for business in a year). You take a random sample and record the numbers of customers on those days. The sample data is shown below. 13613789140130100150207 8812211415215413613187 14811414912712160225121 112190110159126141135141 147167142132160158177118 16515918019416892230220 The 95% confidence interval for the bank’s average number of customers per day is ______, _______ a125161 b129157 c132153 d135151 17As the manager of the bank in the previous question, you want the 95% interval estimate to capture the population mean customers per day within ±5 customers. Using a planning value of σ̂ = 30, how many days should you include in the sample? a151 b139 c127 d117

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Description: 16You run a bank and want to estimate the bank’s average number of customers per day (the population is all the days you are open for business in a year). You take a random sample and record the numbers of customers on those days. The sample data i

Q16.given that,sample data: (136 , 137 , 89 , 140 , 130 , 100 , 150 , 207 , 88 , 122 , 114 , 152 ,…

Answered: You run a bank and want to estimate the…

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

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.6: Summarizing Categorical Data

Problem 10CYU

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16	You run a bank and want to estimate the bank’s average number of customers per day (the population is all the days you are open for business in a year). You take a random sample and record the numbers of customers on those days. The sample data is shown below.


		136	137	89	140	130	100	150	207
		88	122	114	152	154	136	131	87
		148	114	149	127	121	60	225	121
		112	190	110	159	126	141	135	141
		147	167	142	132	160	158	177	118
		165	159	180	194	168	92	230	220

	The 95% confidence interval for the bank’s average number of customers per day is ______, _______
a	125	161
b	129	157
c	132	153
d	135	151

17	As the manager of the bank in the previous question, you want the 95% interval estimate to capture the population mean customers per day within ±5 customers. Using a planning value of σ̂ = 30, how many days should you include in the sample?


a	151
b	139
c	127
d	117

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