A stem-and-leaf plot for the number of touchdowns scored by all Division 1A foot

Question

A stem-and-leaf plot for the number of touchdowns scored by all Division 1A football teams is shown below. Complete parts (a) through (c). (a) If a team is selected at random, find the probability the team scored at least 30 touchdowns. (Round to the nearest thousandth as needed.) (b) If a team is selected at random, find the probability the team scored between 40 and 48 touchdowns inclusive. (Round to the nearest thousandth as needed.) (c) If a team is selected at random, find the probability the team scored more than 77 touchdowns. (Round to the nearest thousandth as needed.)

Explanation / Answer

a) No of scored at least 30 is 46

So, probability is 46/63 = 0.730

B) Probability will be 15/63 = 0.238

C) Probability will be 1/63 = 0.016

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