You receive a brochure from a large university. The brochure indicates fewer than 33 students. You want to test this claim. You randomly select 18 classes taught by full-time faculty and determine the class size of each. The results are shown in the table below. At a = 0.05, can you support the university's claim? Complete parts (a) through (d) below. Assume the population is normally distributed. 37 26 26 30 30 37 36 35 34 30 39 25 29 28 24 30 310 23
You receive a brochure from a large university. The brochure indicates fewer than 33 students. You want to test this claim. You randomly select 18 classes taught by full-time faculty and determine the class size of each. The results are shown in the table below. At a = 0.05, can you support the university's claim? Complete parts (a) through (d) below. Assume the population is normally distributed. 37 26 26 30 30 37 36 35 34 30 39 25 29 28 24 30 310 23
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
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Question
You receive a brochure from a large university. The brochure indicates that the mean class size for full-time faculty is fewer than 33 students, You want to test this claim. You randomly select 18 classes taught by full-time faculty and
determine the class size of each. The results are shown in the table below. At a = 0.05, can you support the university's
claim? Complete parts (a) through (d) below. Assume the population is normally distributed.
37
26
30
36
34
30
37
35
30
8
29
28
24
30
319
23
26
Transcribed Image Text:You receive a brochure from a large university. The brochure indicates that the mean class size for full-time faculty is
fewer than 33 students. You want to test this claim. You randomly select 18 classes taught by full-time faculty and
determine the class size of each. The results are shown in the table below. At α = 0.05, can you support the university's
claim? Complete parts (a) through (d) below. Assume the population is normally distributed.
37
26
A. Ho: μ>33
H₂: μ≤33
26
30
D. Ho: μ ≥33
Ha: μ<33
30
37
36
35
(a) Write the claim mathematically and identify Ho and Ha
Which of the following correctly states Ho and H₂?
an example Get more help.
34
30
...
(b) Use technology to find the P-value.
P= (Round to three decimal places as needed.)
OB. Ho: μ≤33
Ha: μ>33
O E. Ho: μ = 33
Ha: μ#33
39
25
29
28
24
30
C. Ho: μ = 33
Ha: μ<33
OF. Ho: μ<33
H₂:μ ≥33
Clear all
31
23
Check answer
Pla
ue
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