N/8 + 1/2 = -3 1/2 What's the answer?
1 answer:
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Answer: a) 0.0058
b) 0.0026
Step-by-step explanation:
Given : The probability of having clear sunny skies in Seattle in July : p= 0.40
The number of days spent in Seattle in July: n= 18
a) Using, Binomial probability formula :
The probability of having clear sunny skies on at least 13 of those days:-
b) On converting binomial to normal distribution, we have
Let x be the number of days having clear sunny skies in Seattle in July.
Then, using we have
P-value =