Mathematics, 10.10.2019 05:30 edjiejwi
An investigator wants to assess whether the mean m = the weight of passengers flying on small planes exceeds the faa guideline of the average total weight of 185 pounds (passenger weight including shoes, clothes, and carry-on). suppose that a random sample of 51 passengers showed an average total weight of 200 pounds with a sample standard deviation of 59.5 pounds. assume that passenger total weights are normally distributed. what are the appropriate null and alternative hypotheses?
Answers: 1
Mathematics, 21.06.2019 15:00
Naomi’s parents want to have 50,000, saved for her college education, if they invest 20000 today and earn 7% interest compound annually, about how long will it take them to save 50 thousand
Answers: 3
Mathematics, 21.06.2019 15:00
Explain why the function is discontinuous at the given number a. (select all that apply.) f(x) = 1 x + 1 a = −1 f(−1) is undefined. lim x→−1+ f(x) and lim x→−1− f(x) exist, but are not equal. lim x→−1 f(x) does not exist. f(−1) and lim x→−1 f(x) exist, but are not equal. none of the above
Answers: 3
An investigator wants to assess whether the mean m = the weight of passengers flying on small planes...
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