Question

Please help!!

The Hiking Club plans to go camping in a State park where the probability of rain on any given day is 44%. What is the probability that it will rain on at most two of the seven days they are there? Round your answer to the nearest thousandth.​

Answer 1

Answer: 0.336

Explanation:

n=7

r=2,1,0

p=44%=0.44

q=1-0.44=0.56

7C2(0.44)^2(0.55)^5 +

7C1(0.44)^1(0.56)^6 +

7C0(0.44)^0(0.56)^7

Evaluate:

0.2239055109+

0.0949902167 +

0.0172709485

Sum: 0.33617= 0.336