Question

5. Suppose a large shipment of compact discs contained 12% defectives.

If a sample of size 457 is selected, what is the probability that the sample proportion will differ from the population proportion by less than 3%? Round your answer to four decimal places.

11. A researcher believes that 8% of pet dogs in Europe are Labradors.

If the researcher is right, what is the probability that the proportion of Labradors in a sample of 644 pet dogs would be greater than 6%? Round your answer to four decimal places.

Answer #1

Suppose a large shipment of telephones contained 22%
defectives.
If a sample of size 433 is selected, what is the probability
that the sample proportion will differ from the population
proportion by less than 3%? Round your answer to four decimal
places.

7. Suppose a large shipment of laser printers contained 22%
defectives.
If a sample of size 276 is selected, what is the probability
that the sample proportion will differ from the population
proportion by less than 6%? Round your answer to four decimal
places.
10. A film distribution manager calculates that 9% of the films
released are flops.
If the manager is right, what is the probability that the
proportion of flops in a sample of 435 released films would...

Suppose a large shipment of microwave ovens contained 20 %
defectives. If a sample of size 336 is selected, what is the
probability that the sample proportion will be greater than 16 % ?
Round your answer to four decimal places.

Suppose a large shipment of microwave ovens contained 18%
defectives. If a sample of size 238 is selected, what is the
probability that the sample proportion will differ from the
population proportion by less than 3%? Round your answer to four
decimal places.

Suppose a large shipment of microwave ovens contained 14%
defectives. If a sample of size 278 is selected, what is the
probability that the sample proportion will differ from the
population proportion by less than 5%? Round your answer to four
decimal places.

Suppose a large shipment of microwave ovens contained 11%
defectives.
If a sample of size 247 is selected, what is the probability
that the sample proportion will differ from the population
proportion by less than 3%? Round your answer to four decimal
places.

Suppose a large shipment of microwave ovens contained 11%
defectives.
If a sample of size 247 is selected, what is the probability
that the sample proportion will differ from the population
proportion by less than 3%? Round your answer to four decimal
places.

1. Suppose a large shipment of telephones contained 7%
defectives. If a sample of size 247 is selected, what is the
probability that the sample proportion will be greater than 9%?
Round your answer to four decimal places
2. Suppose 48% of the population has myopia. If a random sample
of size 484 is selected, what is the probability that the
proportion of persons with myopia will differ from the population
proportion by less than 3%? Round your answer to...

Suppose a large shipment of cell phones contained 16%
defectives. If a sample of size 295 is selected, what is the
probability that the sample proportion will be greater than 13%?
Round your answer to four decimal places.

Suppose a large shipment of microwave ovens contained 20%
defectives.
If a sample of size 336 is selected, what is the probability
that the sample proportion will be greater than 16%? Round your
answer to four decimal places.

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