Answer number 4 3. The following data are selected randomly from a population of normally distributed values.4051434844574354413942484539Construct a 95% confidence interval to estimate the population mean.4. To estimate the average number of customers entering and buying at the supermarket, thesupervisor of that supermarket estimated the number of customers visiting every 5 minutes.She randomly selects 5-min intervals and counts the number of arrivals at the supermarket. Thefigures 58, 32, 41, 47, 56, 80, 45, 29, 32 and 78 were obtained and tallied. The analysts assumethat the number of arrivals is normally distributed. Based on these data, compute a 95%confidence interval to have an estimation of the mean value for all 5-min intervals.

here calculate sample statistic and then confidence Interval

Answered: that the number of arrivals is normally…

that the number of arrivals is normally distributed. Based on these data, compute a 95% confidence interval to have an estimation of the mean value for all 5-min intervals.

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

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.4: Distributions Of Data

Problem 19PFA

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Question

Answer number 4

3. The following data are selected randomly from a population of normally distributed values.
40
51
43
48
44
57
43
54
41
39
42
48
45
39
Construct a 95% confidence interval to estimate the population mean.
4. To estimate the average number of customers entering and buying at the supermarket, the
supervisor of that supermarket estimated the number of customers visiting every 5 minutes.
She randomly selects 5-min intervals and counts the number of arrivals at the supermarket. The
figures 58, 32, 41, 47, 56, 80, 45, 29, 32 and 78 were obtained and tallied. The analysts assume
that the number of arrivals is normally distributed. Based on these data, compute a 95%
confidence interval to have an estimation of the mean value for all 5-min intervals.

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