Choose the correct answers for (a) the total installment price, (b) the carrying charges, and (c) the number of months needed to
2 answers:
Answer:
(a) $1395
(b) $145
(c) $14
Step-by-step explanation:
Cash price of the wedding dress = $1250
time = 15 months , and monthly payment = $93
(a) Total investment price = Monthly payment × Time
= 93 × 15
=$1395
(b) the carrying charges for the wedding dress = total investment price - actual cash price of the dress
= 1395 - 1250
= $145
(c) No. of months needed to save the money to buy the dress at its cash price on a monthly rate :
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Answer:
0.3968 = 39.68% probability this shipment passes inspection.
Step-by-step explanation:
The parts are chosen without replacement, which means that the hypergeometric distribution is used to solve this question.
Hypergeometric distribution:
The probability of x successes is given by the following formula:
In which:
x is the number of successes.
N is the size of the population.
n is the size of the sample.
k is the total number of desired outcomes.
Combinations formula:
is the number of different combinations of x objects from a set of n elements, given by the following formula.
In this question:
50 parts means that
4 defective means that
10 are chosen, which means that
What is the probability this shipment passes inspection?
Probability that none is defective, so:
0.3968 = 39.68% probability this shipment passes inspection.