Question

It is known that the number of hours a student sleeps per night has a normal distribution. The sleeping time in hours of a random sample of 8 students is given below. sleep hours data 8.6, 8.3, 7.6, 6, 7.1, 5.6, 5.1, 6 Compute a 92% confidence interval for the true mean time a student sleeps per night and fill in the blanks appropriately. We have 92 % confidence that the true mean time a student sleeps per night is between _ and _ (round to 3 decimal places)

Name: it is known that the number of hours a student sleeps per night has a normal distribution the sleeping time in hours of a random sample of 8 students is given below sleep hours data 86 83 76 73392
Uploaded: 2022-04-10T20:55:06-08:00
Duration: 2 min 57 s
Channel: David Nguyen
Description: it is known that the number of hours a student sleeps per night has a normal distribution the sleeping time in hours of a random sample of 8 students is given below sleep hours data 86 83 76 73392

          It is known that the number of hours a student sleeps per night
has a normal distribution. The sleeping time in hours of a random
sample of 8 students is given below. 
sleep hours data
8.6, 8.3, 7.6, 6, 7.1, 5.6, 5.1, 6
Compute a 92% confidence interval for the true mean time a student
sleeps per night and fill in the blanks appropriately. We have 92 %
confidence that the true mean time a student sleeps per night is
between _____ and _____ (round to 3 decimal places)

Added by Juan O.

Elementary Statistics a Step by Step Approach

Allan G. Bluman 9th Edition

Instant Answer

Solved by Expert David Nguyen

04/10/2022

Step 1

6, 8.3, 7.6, 6, 7.1, 5.6, 5.1, 6 Sample mean (X̄) = (8.6 + 8.3 + 7.6 + 6 + 7.1 + 5.6 + 5.1 + 6) / 8 = 6.7875 Sample standard deviation (S) = 1.2999 Show more…

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It is known that the number of hours a student sleeps per night has a normal distribution. The sleeping time in hours of a random sample of 8 students is given below. sleep hours data 8.6, 8.3, 7.6, 6, 7.1, 5.6, 5.1, 6 Compute a 92% confidence interval for the true mean time a student sleeps per night and fill in the blanks appropriately. We have 92 % confidence that the true mean time a student sleeps per night is between _____ and _____ (round to 3 decimal places)