Question

A stem-and-leaf plot for the numbers of touchdowns scored by all 120 NCAA Division I Football Bowl Subdivision teams is shown. Find the probability that a team chosen at random scored (a) at least 51 touchdowns, (b) between 20 and 30 touchdowns, inclusive, and (c) more than 72 touchdowns. Are any of these events unusual? Explain.

          A stem-and-leaf plot for the numbers of touchdowns scored by all 120 NCAA Division I Football Bowl Subdivision teams is shown. Find the probability that a team chosen at random scored (a) at least
51 touchdowns, (b) between 20 and 30 touchdowns, inclusive, and (c) more than 72 touchdowns. Are any of these events unusual? Explain.

Added by John T.

Elementary Statistics a Step by Step Approach

Allan G. Bluman 9th Edition

Instant Answer

Solved by Expert Rashmi Sinha

01/28/2022

Step 1

Given that there are 44 teams out of 120 that scored at least 51 touchdowns, the probability is: \[ P(\text{at least 51 touchdowns}) = \frac{44}{120} = 0.3667 \] ** Show more…

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A stem-and-leaf plot for the numbers of touchdowns scored by all 120 NCAA Division I Football Bowl Subdivision teams is shown. Find the probability that a team chosen at random scored (a) at least 51 touchdowns, (b) between 20 and 30 touchdowns, inclusive, and (c) more than 72 touchdowns. Are any of these events unusual? Explain.