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Neporo4naja [7]
3 years ago
6

In an effort to persuade customers to reduce their electricity consumption, special discounts have been offered for low consumpt

ion customers. In Florida, the EPA estimates that 70% of the residences have qualified for these discounts. If, instead, a sample of 20 residences is selected, what is the probability 12 or more will have qualified for the discounts
Mathematics
1 answer:
Genrish500 [490]3 years ago
4 0

Answer:

please mark me brainlist

Step-by-step explanation:

p = proportion of residents qualified for discounts = 0.70

Sample size = 20

If X is the no of residences selected for discounts then x is binomial with (20,0.7)

P(X>=12) = 0.8867

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