Mean for each hour = 1
Mean for four hours, m = 4
P(x,m)=m^x*e^(-m)/x!
where x is number of defects.
P(X<=3,4)
=P(X=0,4)+P(X=1,4)+P(X=2,4)+P(X=3,4)
=0.01832+0.07326+0.14653+0.19537
=0.43355
Probability of at most 3 defects in four hours is 0.43355
Answer:
b=c+1/2a
Step-by-step explanation:
hope this helps :)
A whole number<span> is one from the set containing zero and all of the positive </span>numbers<span>. A </span>negative number<span>, therefore, is not a </span>whole number<span>, but it is an integer. So the answer is false. </span>
Answer:
Where's the figure,my friend?