The numbers of members in 6 yoga clubs are 80, 74, 77, 71, 75, and 91. Find the population standard deviation of the numbers of
1 answer:
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Answer:
c. 0.6
Step-by-step explanation:
A student cannot receive an A or a B simultaneously, so .
Grade of A equals .30 and the probability of receiving a grade of B equals .30.
This means that
The probability that a randomly selected student from this class will receive either an A or a B equals:
This is:
So the probability is 0.6, and the correct answer is given by option c.