LMixer5sosCR7Fan
11.10.2019 •
Business
Apoll by a reputable research organization found that 15% of adults who participated in youth and/or high school sports now have an income greater than $100,000. incomparison, 10% of adults who did not participate in youth and/or high school sports have an income greater than $100,000. consider a random sample of 25 adults, all of whom have participated in youth and/or high school sports. complete parts a through c below.
a) what is the probability that fewer than 19 of these adults have an income greater than $100,000? (round to 4 decimal places)
b) what is the probability that between 9 and 19,non-inclusive, of these adults have an income greater than$100,000? (round to 4 decimal places)
c)
repeat parts a and b, but assume that none of the 25 sampled adults participated in youthand/or high school sports. the probability that fewer than 19 of these adults have an income greater than $100,000 is (round to 4 decimal places)
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Ответ:
Self-determination and self reliance