Mathematics, 26.11.2019 05:31 robert7248
Acar dealer who sells only late-model luxury cars recently hired a new salesperson and believes that this salesperson is selling at lower markups. he knows that the long-run average markup in his lot is $5,600. he takes a random sample of 16 of the new salesperson’s sales and finds an average markup of $5,000 and a standard deviation of $800. assume the markups are normally distributed. what is the value of an appropriate test statistic for the car dealer to use to test his claim? multiple choice1.t15 = –0.752.z = –3.003.z = –0.754.t15 = –3.00
Answers: 1
Mathematics, 21.06.2019 18:00
Ijust need to see how to do this. so you don’t have to answer all of them just a step by step explanation of one.
Answers: 3
Mathematics, 21.06.2019 21:30
80 points suppose marcy made 45 posts online. if 23 of them contained an image, what percent of her posts had images? round your answer to the nearest whole percent. 54 percent 51 percent 49 percent 48 percent
Answers: 2
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