Question
TRUE OR FALSE
35. A survey of women owned business found that approximately 30% of all small businesses
are owned by non‐Hispanic white women. In a sample of 250 non‐Hispanic businesses
owned by whites, the average number of businesses owned by female would be 75.
36. A shipment of 600 computer chips is received by Bell Computers; the manufacturers of
lap top computers. These chips are supplied by the vendor. The contract specifies that
Bell Computers will accept the shipment only if a sample of 10 chips from the shipment
has at most one defective chip. The probability of accepting the lot can be determined
using a normal probability distribution.
37. The binomial distribution is used to calculate the probability of x number of successes
out of n trials whereas; the Poisson distribution is used to calculate the probability of x
number of occurrences out of n trials.
38. The parameters of Binomial distribution are the number of trials (n) and the probability
of success (p) whereas; the parameter of Poisson distribution is the mean number of
occurrence (m).
39. If the mean number of customer arrivals per unit of time at a bank is 6 then the
probability that no customer will arrive in the that specified time unit can be calculated
using the following expression
60 6 ( 0) .
0!
p x e
40. The misaligned parts in certain type of machine are described as nonconformities. For a
particular type of machine, suppose that the number of nonconformities per machine
follows a Poisson distribution with an average of three nonconformities per machine. In a
quality check, the probability that a quality inspector will find no more than one
nonconformity in the machine is close to 0.1991.
35. A survey of women owned business found that approximately 30% of all small businesses
are owned by non‐Hispanic white women. In a sample of 250 non‐Hispanic businesses
owned by whites, the average number of businesses owned by female would be 75.
36. A shipment of 600 computer chips is received by Bell Computers; the manufacturers of
lap top computers. These chips are supplied by the vendor. The contract specifies that
Bell Computers will accept the shipment only if a sample of 10 chips from the shipment
has at most one defective chip. The probability of accepting the lot can be determined
using a normal probability distribution.
37. The binomial distribution is used to calculate the probability of x number of successes
out of n trials whereas; the Poisson distribution is used to calculate the probability of x
number of occurrences out of n trials.
38. The parameters of Binomial distribution are the number of trials (n) and the probability
of success (p) whereas; the parameter of Poisson distribution is the mean number of
occurrence (m).
39. If the mean number of customer arrivals per unit of time at a bank is 6 then the
probability that no customer will arrive in the that specified time unit can be calculated
using the following expression
60 6 ( 0) .
0!
p x e
40. The misaligned parts in certain type of machine are described as nonconformities. For a
particular type of machine, suppose that the number of nonconformities per machine
follows a Poisson distribution with an average of three nonconformities per machine. In a
quality check, the probability that a quality inspector will find no more than one
nonconformity in the machine is close to 0.1991.
Answers
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