Mathematics, 19.05.2020 18:09 kayleewoodard
To become an actuary, it is necessary to pass a series of 10 exams, including the most important one, an exam in probability and statistics. An insurance company wants to estimate the mean score on this exam for actuarial students who have enrolled in a special study program. They take a sample of 8 actuarial students in this program and determine that their scores are: 2, 5, 8, 8, 7, 6, 5, and 7. This sample will be used to calculate a 90% confidence interval for the mean score for actuarial students in the special study program. 1) The mean of the sample is , while the standard deviation of the sample is . (2 points) 2) The confidence interval will be based on degrees of freedom. (1 point) 3) The critical value used in constructing a 90% confidence interval is . (2 points) 4) A 90% confidence interval for the mean score of actuarial students in the special program is from to . (4 points)
Answers: 3
Mathematics, 21.06.2019 16:30
Arandom sample of 150 high school students were asked whether they have a job. the results are shown in the table. have a job do not have a job male 48 35 female 41 26 select a ord or phrase from the drop-down menus to correctly complete the statements describing the association.
Answers: 1
Mathematics, 21.06.2019 20:20
Tomas used 3 1/3 cups of flour and now has 1 2/3cups left. which equation can he use to find f, the number of cups of flour he had to begin with? f+3 1/3=1 2/3 f-3 1/3=1 2/3 3 1/3f=1 2/3 f/3 1/3=1 2/3
Answers: 1
Mathematics, 21.06.2019 20:30
William invested $5000 in an account that earns 3.8% interest, compounded annually. the formula for compound interest is a(t) = p(1 + i)t. how much did william have in the account after 6 years? (apex)
Answers: 2
To become an actuary, it is necessary to pass a series of 10 exams, including the most important one...
Mathematics, 29.10.2019 10:31
Mathematics, 29.10.2019 10:31
History, 29.10.2019 10:31
Mathematics, 29.10.2019 10:31
History, 29.10.2019 10:31
History, 29.10.2019 10:31