A bag contains 6 red marbles and 7 blue marbles. Another bag contains 3 green marbles and 8 yellow marbles. You randomly pick on
e marble from each bag. What is the probability that the marble from the first bag is red and the marble from the second bag is green?
a. 0.126
b. 0.734
c. 0.031
d. 0.375
a. 0.126
b. 0.734
c. 0.031
d. 0.375
2 answers:
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Answer:
81.8%
Step-by-step explanation:
Mean =
Standard deviation =
Now we are supposed to find out what percent of the numbers fall between 35 and 50
Substitute the values
Now for P(35<x<50)
Substitute x = 35
Substitute x = 50
So, P(-1<z<2)
P(z<2)-P(z<-1)
=0.9772-0.1587
=0.8185
=
=81.8%
Hence 81.8% percent of the numbers fall between 35 and 50