Math 302 week 4 - Study guides, Class notes & Summaries

Week 6 practice test 4 - American Public University MATH 302 | COMPLETE A manager wants to see if it is worth going back for an MBA degree. They randomly sample 18 managers' salaries before and after undertaking a MBA degree and record their salaries in thousands of dollars. Assume Salaries are normally distributed. Test the claim that the MBA degree, on average, increases a manager’s salary. Use a 10% level of significance. t-Test: Paired Two Sample for Means New Salary Old Salary ...

MATH302 Week 4 Discussion; The normal distribution I and II

Week 6 Test 1 - American Public University MATH 302 | COMPLETED An adviser is testing out a new online learning module for a placement test. They wish to test the claim that on average the new online learning module increased placement scores at a significance level of α = 0.05. For the context of this problem, μD=μnew–μold where the first data set represents the new test scores and the second data set represents old test scores. Assume the population is normally distributed. H0: μD ...

MATH 302| STATISTICS| WEEK 3 QUIZ WITH ANSWER KEY| 2024 If random variable X has a binomial distribution with n =10 and P(success) =p =0.2, find the probability that X is less than 6. (That is, find P(X<6) Answer: (round to 4 decimal places) Answer Key:0.9936|.9936 P(x < 6) = P(x is less than or equal to 5), in Excel =BINOM.DIST(5,10,0.2,TRUE) Approximately 8% of all people have blue eyes. Out of a random sample of 20 people, what is the probability that at most 2 of them have blue ey...

MATH302 Week 4 Discussion; The normal distribution I and II

MATH302 Week 4 Test 4 Critique

MATH302 Week 4 Discussion; The normal distribution I and II

MATH302 Week 4 Test 4 Critique

MATH302 Week 4 Test 4 Critique

MATH302 Week 4 Discussion; The normal distribution I and