Mathematics, 15.04.2020 19:21 mariarichards2p8a277
Assume that the national credit card interest rate is 12.83 percent. A study of 62 college students finds that their average interest rate is 14 percent with a standard deviation of 9.3 percent. What is the 95 percent confidence interval for this single-sample t test?
a. [6.94, 11.66]
b. [11.64, 16.36]
c. [10.47, 15.19]
d. [12.99, 15.01]
Answers: 3
Mathematics, 21.06.2019 15:00
Which is the correct excel formula for the 80th percentile of a distribution that is n(475, 33)? =norm.dist(80,475,33,1) =norm.inv(0.80,475,33) =norm.s.inv((80-475)/33)?
Answers: 1
Mathematics, 21.06.2019 15:30
Guests at an amusement park must be at least 54 inches tall to be able to ride the roller coaster. which graph represents the set of heights that satisfy this requirement?
Answers: 3
Mathematics, 21.06.2019 16:00
Plzzz i beg u so much asaaaap ! what is the slope of this line? enter your answer in the box.
Answers: 1
Assume that the national credit card interest rate is 12.83 percent. A study of 62 college students...
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