Question

In a certain shipment of 16 televisions, 9 are defective. 12 of the televisions are selected at random without replacement. What is the probability that 6 of the 12 televisions are defective? Express your answer as a fraction or a decimal number rounded to four decimal places.

Answer #1

TOPIC:Hypergeometric distribution.

In a certain shipment of 16 modems, 3 are defective. 12 of the
modems are selected at random without replacement. What is the
probability that 3 of the 12 modems are defective? Express your
answer as a fraction or a decimal number rounded to four decimal
places.?

Suppose you just received a shipment of thirteenthirteen
televisions. ThreeThree of the televisions are defective. If two
televisions are randomly selected, compute the probability that
both televisions work. What is the probability at least one of the
two televisions does not work?

Suppose you just received a shipment of ten televisions. Three
of the televisions are defective. If two televisions are randomly
selected, compute the probability that both televisions work. What
is the probability at least one of the two televisions does not
work?
(a)The probability that both televisions work is?
(b)The probability that at least one of the two televisions does
not work is nothing?

There are 9 black balls and 5 red balls in an urn. If 4 balls
are drawn without replacement, what is the probability that at
least 3 black balls are drawn? Express your answer as a fraction or
a decimal number rounded to four decimal places.

A pharmacist receives a shipment of 15 bottles of a drug and has
5 of the bottles tested. If 6 of the 15 bottles are contaminated,
what is the probability that at least 4 of the tested bottles are
contaminated? Express your answer as a fraction or a decimal number
rounded to four decimal places.

1.A pharmacist receives a shipment of 2121 bottles of a drug and
has 33 of the bottles tested. If 33 of the 2121 bottles are
contaminated, what is the probability that no more than 11 of the
tested bottles is contaminated? Express your answer as a fraction
or a decimal number rounded to four decimal places.
2. A fair die will be rolled 1010 times. What is the probability
that 44, 55, or 66 is rolled less than 66 but...

A pharmacist receives a shipment of 20 bottles of a drug and has
4 of the bottles tested. If 4 of the 20 bottles are contaminated,
what is the probability that exactly 3 of the tested bottles are
contaminated? Express your answer as a fraction or a decimal number
rounded to four decimal places.

A lot of 106 semiconductor chips contains 29 that are defective.
Round your answers to four decimal places (e.g.
98.7654).
a) Two are selected, at random, without replacement, from the
lot. Determine the probability that the second chip selected is
defective.
b) Three are selected, at random, without replacement, from the
lot. Determine the probability that all are defective.

A pharmacist receives a shipment of 18 bottles of a drug and has
3 of the bottles tested. If 3 of the 18 bottles are contaminated,
what is the probability that no more than 1 of the tested bottles
is contaminated? Express your answer as a fraction or a decimal
number rounded to four decimal places.

11. A pharmacist receives a shipment of 22 bottles of a drug and
has 3 of the bottles tested. If 5 of the 22 bottles are
contaminated, what is the probability that at least 2 of the tested
bottles are contaminated? Express your answer as a fraction or a
decimal number rounded to four decimal places.

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