Essentials of Statistics for the B...
Essentials of Statistics for the B...
A psychology class consists of 14 males and 36 females. If the professor selects names from the class list using random sampling,
- a. What is the probability that the first student selected will be a female?
- b. If a random sample of n = 3 students is selected and the first two are both females, what is the probability that the third student selected will be a male?
a.
To find: The probability that the first student selected will be female.
Given info:
The psychology class have 14 males and 36 females.
Calculation:
Calculating the probability that the first student selected will be female:
Let
And
b.
To find: The probability that third student will be a male.
Chapter 6 Solutions
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