mobslayer88
20.12.2021 •
Mathematics
At an ATM in the center of Rome, 3 out of 5people withdraw cash. LetXbe random variable describing the “number of people whowithdraw money” in a random sample of sizen= 58.
1. Define the distribution function of X
2. Compute the probability that X is greater than 20
3. Compute the probability that X is between 30 and 43
4. Compute the probability that X is exactly equal to 31
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Ответ:
-7, but it doesn't make sense bc age can't be a negative. But based on how this is said it sounds like -7
Step-by-step explanation:
paloma's age = p
2( p + 15 ) = 16
2p + 30 = 16
-30 -30
2p = -14
/2 /2
p = -7