Mathematics, 14.05.2021 19:20 samanthacruzsc51
In a random sample of 150 people in a large city, 117 indicated that buying a house is
a good investment.
a. A critic claims that the true proportion is .70. Test the validity of this claim against a two-
sided alternative at the 5% level of significance. In answering, write the null and alternative
hypotheses and the decision rule. Show your calculations and state your conclusion.
b. Find a 95% confidence interval estimate for the true proportion and interpret it.
c. Use your results in part (b) to explain whether you reject the claim that the true proportion
is .70.
d. Is your conclusion in part (c) the same as your conclusion in part (a)? Explain clearly.
Answers: 1
Mathematics, 21.06.2019 18:30, mikey8510
The median of a data set is the measure of center that is found by adding the data values and dividing the total by the number of data values that is the value that occurs with the greatest frequency that is the value midway between the maximum and minimum values in the original data set that is the middle value when the original data values are arranged in order of increasing (or decreasing) magnitude
Answers: 3
Mathematics, 22.06.2019 00:00, rmans22209
Urgent! 20 points! here is a you are the new manager at trusty goods wholesale produce. you need to figure out how to adjust the amount of produce in your notes after the events of the day: you got 5 more crates of bananas someone returned 2 crates of apples a worker dropped a crate of grapes (oh no! , you had to throw them out) you sold a crate of bananas you sold 5 crates of apples can you write an expression to describe your day using: "a" for crates of apples "b" for crates of bananas and "g" for crates of grapes? make sure the expression is in simplest form question 2 (3 points) explain your steps using sentences.
Answers: 1
In a random sample of 150 people in a large city, 117 indicated that buying a house is
a good inves...
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