Question
In: Statistics and Probability
A shipment of 13 microwave ovens contains for defective units. A restaurant buys three of these...
A
shipment of 13 microwave ovens contains for defective units. A
restaurant buys three of these units. What is the probability of
the restaurant by at least 2 non defective units? The probability
of the restaurant buying at least 2 nondefective units is
Solutions
orchestra answered 2 years agoRelated Solutions
1. A shipment of 12 microwave ovens contains 2 defective units. A restaurant buys three of...
1. A shipment of 12 microwave ovens contains 2 defective units.
A restaurant buys three of these units. What is the probability of
the restaurant buying at least two nondefective units?
2. You look over the songs in a jukebox and determine that you
like 17 of the 59 songs.
(a) What is the probability that you like the next four songs
that are played? (Assume a song cannot be repeated.)
(b) What is the probability that you do not...
A shipment of 9 microwave ovens contains 3 defective units. A restaurant buys four of these...
A shipment of 9 microwave ovens contains 3 defective units. A
restaurant buys four of these units. What is the probability of the
restaurant buying at least three non-defective units?
Suppose a large shipment of microwave ovens contained 4% defectives. If a sample of size 362...
Suppose a large shipment of microwave ovens contained 4%
defectives. If a sample of size 362 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 shipment of 140 electronic components contains 4 defective components. To determine whether the shipment...
Suppose a shipment of 140 electronic components contains 4
defective components. To determine whether the shipment should be
accepted, a quality control engineer randomly selects 4 of the
components and test them. If 1 or more of the components is
defective, the shipment is rejected. what is the probability that
the shipment rejected?
A shipment of 1000 radios contains 15 defective ones. a) If an inspector selects 10 to...
A shipment of 1000 radios contains 15 defective ones. a) If an
inspector selects 10 to sample, what is the % chance he will detect
at least one defect? b) How many radios must be sampled to yield a
50+% chance of detecting a defect?
A certain large shipment comes with a guarantee that it contains no more than 25% defective...
A certain large shipment comes with a guarantee that it contains
no more than 25% defective items. If the proportion of items in the
shipment is greater than 25%, the shipment may be returned. You
draw a random sample of 12 items and test each one to determine
whether it is defective.
a. If in fact 25% of the items in the shipment are defective (so
that the shipment is good, but just barely) what is the probability
that 7...
A certain large shipment comes with a guarantee that it contains no more than 20% defective...
A certain large shipment comes with a
guarantee that it contains no more than 20% defective items. If the
proportion of items in the shipment is greater than 20%, the
shipment may be returned. You draw a random sample of 10 items and
test each one to determine whether it is defective.
If in fact 20% of the items in the shipment are defective (so that
the shipment is good, but just barely) what is the probability that
7...
A certain large shipment comes with a guarantee that it contains no more than 20% defective...
A certain large shipment comes with a
guarantee that it contains no more than 20% defective items. If the
proportion of items in the shipment is greater than 20%, the
shipment may be returned. You draw a random sample of 10 items and
test each one to determine whether it is defective. Assume
X
P(X)
P ( X = 0) = C (10,0) * 0.2^0 * ( 1 - 0.2)^10=
0
0.1074
P ( X = 1) = C (10,1)...
A shipment contains 200 items of which 50 are defective. A sample of 16 items from the shipment is selected at random without replacement.
A shipment contains 200 items of which 50 are defective. A sample of 16 items from the shipment is selected at random without replacement. We accept the shipment if at most 3 items in the sample are defective. (a) Write down (but do not evaluate) an exact formula for the probability of acceptance. (b) Use a Table to give the decimal value for the binomial approximation of the probability of acceptance. Show your work. (c) Suppose instead that the shipment contains 500 items of...
5. A shipment of 50 light bulbs contains 10 defective light bulbs. In order to test...
5. A shipment of 50 light bulbs contains 10 defective light
bulbs. In order to test the quality of the shipment, a quality
control engineer selects 5 light bulbs at random.
(a) How many different samples are possible?
(b) What is the probability the engineer will select exactly two
defective light bulbs?
(c) The shipment will be rejected if at least one of the light
bulbs in the sample is defective. What is the probability the
sample will be rejected?...
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