If the wholesale price is $10, the 50% ........................ is $5.

Mathematics

1 answer:

Blizzard [7]2 years ago

4 0

Answer:

Concept: Mathematical Analysis

If the wholesale price is the markup from the manufacturer price then the price is $10
You are asked to find 50% of the markup wholesale price
Hence you do $10 × 0.50 to get $5.00
You do 10.00-5.00= $5.00

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. If IQ scores are normally distributed with a mean of 100 and a standard deviation of 5, what is the probability that a person

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Answer:

2.28% probability that a person selected at random will have an IQ of 110 or greater

Step-by-step explanation:

Problems of normally distributed samples are solved using the z-score formula.

In a set with mean $\mu$ and standard deviation $\sigma$ , the zscore of a measure X is given by:

$Z = \frac{X - \mu}{\sigma}$

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.

In this problem, we have that:

$\mu = 100, \sigma = 5$