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spayn [35]
3 years ago
14

At the U.S. Open Tennis Championship a statistician keeps track of every serve that a player hits during the tournament. The sta

tistician reported that the mean serve speed of a particular player was 95 miles per hour. Suppose that the statistician indicated that the serve speed distribution was skewed to the left. Which of the following values is most likely the value of the median serve speed? Explain your answer.
A) 95 mph
B) 104 mph
C) 77 mph
D) 86 mph
Mathematics
1 answer:
Tamiku [17]3 years ago
5 0

At the U.S. Open Tennis Championship a statistician keeps track of every serve that a player hits during the tournament. The statistician reported that the mean serve speed of a particular player was 95 miles per hour. Suppose that the statistician indicated that the serve speed distribution was skewed to the left. Which of the following values is most likely the value of the median serve speed? Explain your answer.

C) 77 mph

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Answer:

1. Their ages are:

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4. Their ages are:

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Step-by-step explanation:

1. We make the assumption that:

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In four years, we are going to have:

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S = 3A - 9 + 3

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Therefore, we have:

Steve's age = 18

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2. We make the assumption that:

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B = Bert's age

Five years ago, we had:

M - 5 = (B - 5)2

M - 5 = 2B - 10 .......................... (3)

A year from now, it will be:

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M = 30 – 2 – B

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Substitute M from (4) into (3) and solve for B, we have:

28 – B – 5 = 2B – 10

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Therefore, their ages are:

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Now, we have:

S = B + 10 ................................ (5)

Next year, it will be:

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Substituting B = 9 into equation (5), we have:

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M = The man's age

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Five years ago, we had:

M - 5 = (S - 5)5

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S = -20 / -2

S = 10

Substituting S = 10 into equation (7), we have:

M = 3 * 10 = 30

Therefore, their ages are:

The man's age = 30

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