You are 30 yards (90 feet) away from the goalposts on a football field. The angle of elevation of your line of sight to the top
of the goalpost is 24°. How high is the top of the goalpost, in feet
Select one:
a. 11
b. 26
c. 40
d. 64
Select one:
a. 11
b. 26
c. 40
d. 64
1 answer:
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Answer:
Step-by-step explanation:
Given
-- total
--- defective
--- selected
Required
The probability of rejecting the batch
This means that at least one of the selected piece is defected.
So, we first calculate the probability that all the selected piece are accepted.
So, we have:
The denominator decreases by 1 because it is a probability without replacement; 180 is subtracted from the numerator to represent the number of non-defective CDs
So, we have:
Using the complement rule, the probability that the batch will be rejected is: