HyperZ
01.06.2020 •
Mathematics
The probability that Rahul succeeds at any given free-throw is 70%, percent. He was curious how many free-throws he can expect to succeed in a sample of 15 free-throws.
He simulated 30 samples of 15 free-throws where each free-throw had a 0.7, probability of being successful.
Rahul counted how many free-throws were successful in each simulated sample. Here are his results:
(picture attached)
Use his results to estimate the probability that he succeeds at 11 or fewer free-throws in a sample of 15 free-throws. Give your answer as either a fraction or a decimal.
P(11 or fewer sucessess) =
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Ответ:
0.2
Step-by-step explanation:
i took the test on khan academy :D
Ответ:
29
Step-by-step explanation:
Mean = sum of datas/Sample size
Given the data 16,18,x,12 and 15
Sum = 16+18+x+12
Sum = 46+x
Mean = 15
Sample size = 5
Substitute
15 = 46+x/5
15 * 5 = 46+x
75 = 46 + x
x = 75-46
x = 29
Hence the value of x is 29