Mathematics, 13.01.2020 20:31 dragongacha777
According to a recent survey, the population distribution of number of years of education for self-employed individuals in a certain region has a mean of 15.1 and a standard deviation of 4.8.
a. identify the random variable x whose distribution is described here.
b. find the mean and the standard deviation of the sampling distribution of x overbar for a random sample of size 36. interpret them.
c. repeat (b) for nequals144. describe the effect of increasing n.
Answers: 3
Mathematics, 21.06.2019 18:30
School has 204 sixth grade students. if the sixth grade is 30% of the total school, how many students are in the middle school?
Answers: 2
Mathematics, 22.06.2019 01:30
A23 – year – old male buys 100/300/100 liability insurance, collision insurance with a $100 deductible, and comprehensive insurance with a $250 deductible? what is his total annual premium? (a) $1142.00 (b) $1765.45 (c) $1770.10 (d) $1785.25
Answers: 2
Mathematics, 22.06.2019 02:00
Bag a contains 3 white marveled and 2 marbles bag b contains 6 white marbles and 3 red marbles a person draws one marbles from each bag find the probability that both marbles are white
Answers: 1
According to a recent survey, the population distribution of number of years of education for self-e...
History, 26.11.2019 21:31
Chemistry, 26.11.2019 21:31
Mathematics, 26.11.2019 21:31
Mathematics, 26.11.2019 21:31
Biology, 26.11.2019 21:31
Mathematics, 26.11.2019 21:31
French, 26.11.2019 21:31