What is a 38% discount of $279.00

Mathematics

2 answers:

Arisa [49]3 years ago

6 0

Answer:

$172.98

Step-by-step explanation:

Suppose you have L.L. Bean coupon of $279 and you want to know the final or sale price if the discount is 38 percent.

Using the formula (b) and replacing the given values:

Sale Price = Original Price - Amount Saved. So,

Sale Price = 279 - 106.02

Sale Price = $172.98 (answer).

This means the cost of the item to you is $172.98.

You will pay $172.98 for an item with an original price of $279 when discounted 38%.

In this example, if you buy an item at $279 with a 38% discount, you will pay 279 - 106.02 = 172.98 dollars.

Olenka [21]3 years ago

3 0

Answer:

279×38/100 = 1.0602

279 - 1.0602 = 277.9

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Assume that the population of human body temperatures has a mean of 98.6 degrees F and a standard deviation of 0.62 degrees F. I

dimulka [17.4K]

Answer:

0% probability of getting a mean temperature of 98.2 degrees F or lower.

Step-by-step explanation:

The Central Limit Theorem estabilishes that, for a random variable X, with mean $\mu$ and standard deviation $\sigma$ , a large sample size can be approximated to a normal distribution with mean $\mu$ and standard deviation $\frac{\sigma}{\sqrt{n}}$ .

Normal probability distribution

Problems of normally distributed samples can be 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:

$\mu = 98.6, \sigma = 0.62, n = 106, s = \frac{0.62}{\sqrt{106}} = 0.06$