The dean of a university estimates that the mean number of classroom hours per week for full-time faculty is 11.0. As a member of the student council, you want to test this claim. A random sample of the number of classroom hours for eight full-time faculty for one week is shown in the table below. At a = 0.01, can you reject the dean's claim? Complete parts (a) through (d) below. Assume the population is normally distributed. 12.9 7.3 11.8 7.3 4.8 11.2 12.5 9.30 (a) Write the claim mathematically and identify H, and Ha Which of the following correctly states Ho and H3? O A. Ho: u211.0 HaiH<11.0 XC. Họ: H>11.0 Hg:us 11.0 о в. Но: и 11.0 H: p= 11.0 *D. Hg:H=11.0 HaiH#11.0 O E. Hg: H<11.0 OF. Hg: Hs11.0 Hại u> 11.0 H: u2 11.0 (b) Use technology to find the P-value. P= (Round three decimal places as needed.)
The dean of a university estimates that the mean number of classroom hours per week for full-time faculty is 11.0. As a member of the student council, you want to test this claim. A random sample of the number of classroom hours for eight full-time faculty for one week is shown in the table below. At a = 0.01, can you reject the dean's claim? Complete parts (a) through (d) below. Assume the population is normally distributed. 12.9 7.3 11.8 7.3 4.8 11.2 12.5 9.30 (a) Write the claim mathematically and identify H, and Ha Which of the following correctly states Ho and H3? O A. Ho: u211.0 HaiH<11.0 XC. Họ: H>11.0 Hg:us 11.0 о в. Но: и 11.0 H: p= 11.0 *D. Hg:H=11.0 HaiH#11.0 O E. Hg: H<11.0 OF. Hg: Hs11.0 Hại u> 11.0 H: u2 11.0 (b) Use technology to find the P-value. P= (Round three decimal places as needed.)
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.1: Measures Of Center
Problem 9PPS
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Transcribed Image Text:The dean of a university estimates that the mean number of classroom hours per week for full-time faculty is 11.0. As a member of the student council, you want to test this claim. A random sample of the number
of classroom hours for eight full-time faculty for one week is shown in the table below. At a = 0.01, can you reject the dean's claim? Complete parts (a) through (d) below. Assume the population is normally
distributed.
12.9
7.3
11.8
7.3
4.8
11.2
12.5
9.30
(a) Write the claim mathematically and identify Ho and Ha.
Which of the following correctly states Ho and H,?
O A. Ho: u211.0
Ha: u<11.0
D. Hg: H=11.0
c. Hg: H> 11.0
Hạ: us11.0
OF. Ho: us11.0
Hg:u> 11.0
O B. H9: H#11.0
Ha:u= 11.0
O E. Hg: H<11.0
Ha:H2 11.0
Ha: H4 11.0
(b) Use technology to find the P-value.
P= (Round to three decimal places as needed.)
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