subject
Mathematics, 06.05.2020 21:57 Blakemiller2020

In the past, 35% of the students at ABC University were in the Business College, 35% of the students were in the Liberal Arts College, and 30% of the students were in the Education College. To see whether or not the proportions have changed, a sample of 300 students was taken. Ninety of the sample students are in the Business College, 120 are in the Liberal Arts College, and 90 are in the Education College.

29. Refer to Exhibit 12-4. This problem is an example of a a. normally distributed variable b. test for independence c. Poisson distributed variable d. multinomial population
30. Refer to Exhibit 12-4. The expected frequency for the Business College is a. 0.3 b. 0.35 c. 90 d. 105
31. Refer to Exhibit 12-4. The calculated value for the test statistic equals a. 0.01 b. 0.75 c. 4.29 d. 4.38
32. Refer to Exhibit 12-4. The hypothesis is to be tested at the 5% level of significance. The critical value from the table equals a. 1.645 b. 1.96 c. 5.991 d. 7.815

33. Refer to Exhibit 12-4. The p-value is a. greater than 0.1 b. between 0.05 and 0.1 c. between 0.025 and 0.05 d. between 0.01 and .025
34. Refer to Exhibit 12-4. The conclusion of the test is that the a. proportions have changed significantly b. proportions have not changed significantly c. test is inconclusive d. None of these alternatives is correct.

ansver
Answers: 3

Another question on Mathematics

question
Mathematics, 21.06.2019 18:00
The swimming pool is open when the high temperature is higher than 20∘c. lainey tried to swim on monday and thursday (which was 3 days later). the pool was open on monday, but it was closed on thursday. the high temperature was 30∘c on monday, but decreased at a constant rate in the next 3 days. write an inequality to determine the rate of temperature decrease in degrees celsius per day, d, from monday to thursday.
Answers: 1
question
Mathematics, 21.06.2019 20:30
The areas of two similar triangles are 72dm2 and 50dm2. the sum of their perimeters is 226dm. what is the perimeter of each of these triangles?
Answers: 1
question
Mathematics, 22.06.2019 00:30
How do i i solve this equation? -18 = x/3 + 3
Answers: 1
question
Mathematics, 22.06.2019 01:20
The first week samantha learned to read braille, she could read 10 words per minute. in the second week she increased her speed by 20%. in the third week she increased her speed again by another 25%. how many words could she read per minute by the third week? hurry and tell me!
Answers: 1
You know the right answer?
In the past, 35% of the students at ABC University were in the Business College, 35% of the students...
Questions
question
Mathematics, 04.05.2021 16:10