Mathematics, 21.11.2019 06:31 mahaypatto
Experian would like to test the hypothesis that the average credit score for an adult in virginia is different from the average credit score for an adult in north carolina. a random sample of 40 adults in virginia had an average credit score of 699 and a random sample of 35 adults in north carolina had an average credit score of 682. it is believed that the population standard deviation for credit scores is 44 and 41 for virginia and north carolina residents, respectively. experian would like to set α = 0.05. define population 1 as virginia and population 2 as north carolina anda. use the critical value approach to test this hypothesis. b. construct a 95% confidence interval for the difference in population mean and interpret the results.
Answers: 3
Mathematics, 21.06.2019 18:30, budjasdatazaki467
Let f(x) = 3 − x . find the average rate of change of f(x) from x = a to x = a + h and simplify your answer so that no single factor of h is left in the denominator.
Answers: 1
Mathematics, 22.06.2019 00:00, madisonvinson80
Julia bought 7 hats a week later half of all her hats were destroyed in a fire. there are now only 12 hats left with how many did she start
Answers: 1
Experian would like to test the hypothesis that the average credit score for an adult in virginia is...