Mathematics, 20.12.2019 04:31, ZachLaVine2016
Apopulation of 1,000 students spends an average of $10.25 a day on dinner. the standard deviation of the expenditure is $3. a simple random sample of 64 students is taken.
a. what are the expected value, standard deviation, and shape of the sampling distribution of the sample mean?
b. what is the probability that these 64 students will spend a combined total of more than $715.21?
c. what is the probability that these 64 students will spend a combined total between $703.59 and $728.45?
Answers: 2
Mathematics, 21.06.2019 21:00, zalyndevola
Solve this problem! extra ! 3025/5.5 = a/90.75 / = fraction
Answers: 3
Mathematics, 21.06.2019 22:00, jessejames48
The coordinates r(1, -3), s(3, -1) t(5, -7) form what type of polygon? a right triangle an acute triangle an equilateral triangle an obtuse triangle
Answers: 1
Apopulation of 1,000 students spends an average of $10.25 a day on dinner. the standard deviation of...
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