The ages of the winners of a cycling tournament are approximately bell-shaped. T

Question

The ages of the winners of a cycling tournament are approximately bell-shaped. The mean age is 28 .9 years, with a standard deviation of 3.2 years. The winner in one (a) Transform the age to a z-score. (a) Transfom the age to a z-score. 20 (b) Interpret the resuts Anage of 24 is aboutstandard doviation(s)| I the mean. Type an integer or decimal rounded to two decimal places as needed.) 90min OA No, this value is not unusual. A z-soore outside of the range from -2 to 2 is not unusual. B. Yes, this value is unusual. A z-score between-2 and 2 is unusual. ectr... pres... C. Yes, this valuo is unusual. Az-score outside of the range from-2to21s unusual. OD, t. this value is not unusual. Azoore botwoen-2and 2 is not unusual.

Explanation / Answer

a)z =(X-mean)/std deviaiton =(24-28.9)/3.2 =-1.53

b) an age of 24 is about 1.53 std deviaiton below the mean

c)

option D

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