MATH 381 Final Exam, Part IL. Decemiber 15. 2016 Name Please mark your answers o

Question

MATH 381 Final Exam, Part IL. Decemiber 15. 2016 Name Please mark your answers on this sheet like this L. A maill valse of p is evidence in favor of che mall hopothesis (A) True (False 2 If x) is a continuous prohability demsity function them (A/True (B) False 3. from Naked Statisties) A deseriptive statistie that consolidates a lot of comples information into a single number is called an index. True ) Fase a binomial probability mass function, the random variable, of trials needed to observe a fised is the number 1 number of successes (A) True (B) False (A) True 6. A continuous random variable, X, has a probability density function fix)s kx, 1s

Explanation / Answer

1) if p value is less then we reject the null hypothesis

so it is false

2) p(a<x<b)= p(a<=x<b) =p(a<x<=b)

so it is true

3) true

4) x is the total number of successes

true

5) statistics are used to estimate parameters

so it is false

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