Historically, the average time to service a customer complaint has been 3 days and the standard deviation has been 0.50 day. Man
1 answer:
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As 300 tickets are sold , the probability of being a winner is =
The prize value is $64 or
= 0.213
The cost of ticket you paid = $4
Hence, the expected value of one ticket = 0.213-4 = -3.787 or rounding off we get -3.79
Answer:
The radius of the circle required is 5 inches
Step-by-step explanation:
we know that
The diagonal of the square is the diameter of the circle
The length side of the square is half the apothem
Let
a ----> the apothem
r ---> the radius of the circle (half the diagonal of the square)
Applying the Pythagorean Theorem
we have
substitute