Mathematics, 23.04.2021 15:50, jettskii214
In order to study the amounts owed to a particular city, a city clerk takes a random sample of 16
files from a cabinet containing a large number of delinquent accounts and finds the average amount
rowed to the city to be $230 with a sample standard deviation of $36. It has been claimed that the
true mean amount owed on accounts of this type is greater than $250. If it is appropriate to assume
that the amount owed is a Normally distributed random variable, the value of the test statistic
appropriate for testing the claim is
(a) -3.33 (b) - 1.96
(c) - 2.22
(d) -0.55
(e) - 2.1314
Answers: 3
Mathematics, 21.06.2019 22:00, joelpimentel
3women sell hats at a craft fair weekly. the money they make at the fair is split into categories. 9% goes to pay taxes. $55 goes to pay rent for the space they sell in. the rest is split between the women. if the group make $706 at the fair, how much does each women get paid once the money is divided
Answers: 1
Mathematics, 22.06.2019 02:30, Brendah4962
Problem 3 a bank charges a service fee of $7.50 per month for a checking account. a bank account has $85.00. if no money is deposited or withdrawn except the service charge, how many months until the account balance is negative
Answers: 2
In order to study the amounts owed to a particular city, a city clerk takes a random sample of 16...
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