You receive a brochure from a large university. The brochure indicates that the mean class size for full-time faculty is fewer than 32 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= 0.01, can you support the university's claim? Complete parts (a) through (d) below. Assume the population is normally distributed. 35 30 29 30 35 40 27 27 270 31 30 39 35 31 29 30 27 22 (a) Write the claim mathematically and identify Ho and Ha. Which of the following correctly states Ho and H,? O A. Ho: H= 32 O B. Ho: H>32 O C. Ho: = 32 Haiu<32 Ha: H#32 Ha: u532 F. Ho: H232 O D. Ho: H<32 Ha: H2 32 ΟΕ H0 μ5 32 Ha: > 32 Ha: H< 32 (b) Use technology to find the P-value. P = 1.284 (Round to three decimal places as needed.)

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You receive a brochure from a large university. The brochure indicates that the mean class size for full-time faculty is fewer than 32 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 = 0.01, can you
support the university's claim? Complete parts (a) through (d) below. Assume the population is normally distributed.
35
30
29
30
35
40
27
27
270
31
30
39
35
31
29
30
27
22
....
(a) Write the claim mathematically and identify Ho and Ha.
Which of the following correctly states Ho and H2?
B. Ho: u> 32
Ha: H5 32
A. Ho:H=32
O C. Ho: H= 32
Ha: H#32
Ha: H<32
D. Ho: H<32
O E. Ho: uS 32
E H : μ2 32
Ha: H2 32
Ha: H> 32
Ha: H< 32
(b) Use technology to find the P-value.
P= 1.284 (Round to three decimal places as needed.)
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 32 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 = 0.01, can you support the university's claim? Complete parts (a) through (d) below. Assume the population is normally distributed. 35 30 29 30 35 40 27 27 270 31 30 39 35 31 29 30 27 22 .... (a) Write the claim mathematically and identify Ho and Ha. Which of the following correctly states Ho and H2? B. Ho: u> 32 Ha: H5 32 A. Ho:H=32 O C. Ho: H= 32 Ha: H#32 Ha: H<32 D. Ho: H<32 O E. Ho: uS 32 E H : μ2 32 Ha: H2 32 Ha: H> 32 Ha: H< 32 (b) Use technology to find the P-value. P= 1.284 (Round to three decimal places as needed.)
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