Mathematics, 20.10.2019 14:20, audriexpress
Aprofessor would like to test the hypothesis that the average number of minutes that a student needs to complete a statistics exam has a standard deviation that is less than 5.0 minutes. a random sample of 15 students was selected and the sample standard deviation for the time needed to complete the exam was found to be 4.0 minutes. what would be the number of degrees of freedom for this hypothesis test? a. 16 b. 15 c. 13 d. 14
Answers: 3
Mathematics, 21.06.2019 16:30, marbuscis99
Prove that the sum of two consecutive exponents of the number 5 is divisible by 30.if two consecutive exponents are 5n and 5n + 1, then their sum can be written as 30.
Answers: 1
Mathematics, 22.06.2019 03:30, buddyshaw76
Agame has a rectangular board with an area of 44 in2. there is a square hole near the top of the game board in which you must not toss in a bean bag. the square has side lengths of 3 in. what is the probability of not tossing the bag through the hole? a)9/44 b)3/9 c)3/44 d)35/44
Answers: 2
Aprofessor would like to test the hypothesis that the average number of minutes that a student needs...
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