Mathematics
Mathematics, 21.11.2019 07:31, champ1135

According to a lending institution, students graduating from college have an average credit card debt of $4,100.a random sample of 40 graduating seniors was selected, and their average credit card debt was found to be $4,455.assume the standard deviation for student credit card debt is $1,100. using α=0.01a. does this sample provide enough evidence to challenge the findings by the lending institution? determine the null and alternative hypotheses. h0: (μ< ,> ,≠,≥,≤,=) ish1: μ (=,≤,< ,≠,≥,> ) isb. the z-test statistic is(round to two decimal places as needed.)c. the critical z-score(s) is(are)(round to two decimal places as needed. use a comma to separate answers as needed.)d. because the test statistic (is greater than the critical value, is less than the critical value, does not fall within the critical values, falls within the critical values), (reject, do not reject) the null hypothesis. e. determine the p-value for this test. the p-value is(round to three decimal places as needed.)

answer
Answers: 3

Other questions on the subject: Mathematics

image
Mathematics, 21.06.2019 17:00, DivineMemes420
100 points, hi, i’m not sure what to do here, the data doesn’t seem to be quadratic .? can anyone me, in advance
Answers: 2
image
Mathematics, 21.06.2019 20:00, MayFlowers
Which of the following contains a variable?
Answers: 1
image
Mathematics, 21.06.2019 20:20, DragonLovely
If sin(x) = 0 and cos(x) = 1, what is tan(x)?
Answers: 1
image
Mathematics, 21.06.2019 21:10, Jasten
If f(x) and g(x) are inverse functions of each other, which of the following shows the graph of f(g(x)
Answers: 1
Do you know the correct answer?
According to a lending institution, students graduating from college have an average credit card deb...

Questions in other subjects:

Konu
German, 06.04.2021 21:40
Konu
Mathematics, 06.04.2021 21:40