Example 15.1: Copier sales company sells copiers to businesses of all sizes throughout the country. Mr. XX was recently promoted to the position of national sales manager. At the upcoming sales meeting, the sales representatives from all over the country will be in attendance. He would like to impress upon them the importance of making extra sales calls each day. He decides to gather some information on the relationship between the number of sales calls and the number of copiers sold. He selects a random sample of 10 sales representatives and detemines the number of sales calls they made last month and the number of copiers they sold. Find the coefficient of correlation. Sales Representative Calls, X Sales, Y 30 First one 20 Second one Third one 40 60 20 40 Fourth one 30 60 Fifth one 10 30 Sixth one 10 40 Seventh one 20 40 Eighth one Ninth one 20 50 20 30 Tenth one 30 70

Q: What is the correct answer ? I have to show work.

A: Given Information: Sample size (n) = 22  Mean (u) = 12 Standard deviation (s) = 5.4

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Q: I need help with this

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Q: How did you get those answers?

A: Since here we have two variables p and q, they can take values True (T) and False (F) each.  So, the…

Q: Why I cannot find that answer? Can you label the answer out?

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Q: he answer is still wrong

A: Sol:-We need to use Bayes' theorem to calculate this probability.  Let A be the event that Stage 3…

Q: What is your answer? Can you write it clearly?

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Q: answer question 4.

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Q: I need help solving this question.

A: You need to know this before solving the question.

Q: How did you figure out the answers? Can you show your work

A: Doubt: How did you figure out the answers.

Q: How do you get those answers?

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Q: It says that the answer is wrong. Do you happen to know the actual solution?

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Q: Thank you.

A: We have to find

Q: I need help

A: Given: 1. AB¯ has coordinates A-3,9 and B6,-12. 2. PQ¯ has coordinates P3,-6 and Q3,9.  To Find: 1.…