The solution is mathematically given as
- P(X=3)= 0.17
Generally, the equation for the Probability of P(X=3) is mathematically given as
b)
Therefore
P(X=3)= 0.17
c)
a)
Read more about cumulative probability distribution.
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There are 53 students on the school basketball team. the number of 8th graders is 15 fewer than 3 times the number of 7th grader
1 answer:
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Answer:
Step-by-step explanation:
Given
P(A or B)= P(B)-P(A and B)
P(A)=1/3
P(A and B)=1/8
P(A or B)= 3/4
Required
Find P(B)
To find P(B), all we need to do is to substitute values of P(A or B) and P(A and B) in the given equation.
This goes thus;
P(A or B) = P(B) - P(A and B) becomes
Make P(B) the subject of formula
Take L.C.M
Add fractions
From the workings above, the value of P(B) using the given equation is