Jamie's parents own a hardware store. They asked Jamie to put the retail prices on an order of hammers that was just delivered.
1 answer:
Answer:
Retail price of each hammer is $
Step-by-step explanation:
Given -
Whole sale cost of each hammer is $
Whole sale price means the discounted price of each hammer at the time of purchase.
Retails price is the selling price marked on each hammer which is marked up by % on the whole sale price
As we know that
Marking up the price of any commodity by X % above its retails price means charging a price X% higher than the cost of the good or service
Retail price of one hammer
(Whole sale price of one + %
Whole sale price of one hammer)
Substituting the given values in above equation, we get-
Retail price of each hammer is $
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Answer:
Probability that a randomly selected woman's gestation period will be between 261 and 279 days is 0.68.
Step-by-step explanation:
We are given that the average human gestation period is 270 days with a standard deviation of 9 days. The period is normally distributed.
Firstly, Let X = women's gestation period
The z score probability distribution for is given by;
Z = ~ N(0,1)
where, = average gestation period = 270 days
= standard deviation = 9 days
Probability that a randomly selected woman's gestation period will be between 261 and 279 days is given by = P(261 < X < 279) = P(X < 279) - P(X 261)
P(X < 279) = P( <
) = P(Z < 1) = 0.84134
P(X 261) = P(
) = P(Z
-1) = 1 - P(Z < 1)
= 1 - 0.84134 = 0.15866
<em>Therefore, P(261 < X < 279) = 0.84134 - 0.15866 = 0.68</em>
Hence, probability that a randomly selected woman's gestation period will be between 261 and 279 days is 0.68.