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aarrobic
13.11.2019 •
Mathematics
What would be the answer for part a, b, and c?
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Ответ:
For part B : Jareld wants to give his 5 candy bars with his friends. Each friend wants to get 1/4 of a candy bar. How many people will share the 5 candy bars using the facts provided?
For part C : (So whenever you do division between any type of fraction,whole number or mixed number) you do the strategy keep change flip where first you keep the fraction 5/1 which equals 5 as a whole number. Then you change the division symbol in the provided equation to a multiplication symbol (x). Then you flip the fraction 1/4 to 4/1. Then you plug in all of the numbers into your new and improved statement. 5/1 * 4/1=y. Y=20
20 people
Ответ:
She should order 2400 coupons.
Step-by-step explanation:
Central Limit Theorem
The Central Limit Theorem establishes that, for a normally distributed random variable X, with mean
and standard deviation
, the sampling distribution of the sample means with size n can be approximated to a normal distribution with mean
and standard deviation
.
For a skewed variable, the Central Limit Theorem can also be applied, as long as n is at least 30.
For a proportion p in a sample of size n, the sampling distribution of the sample proportion will be approximately normal with mean
and standard deviation ![s = \sqrt{\frac{p(1-p)}{n}}](/tpl/images/1375/9783/73804.png)
She would like 40% of customers in the population to receive the highest possible discount, with an SEP of 0.01 for this population.
This means that![p = 0.4, s = 0.01](/tpl/images/1375/9783/07584.png)
How many coupons should she order?
We have to find n. So
She should order 2400 coupons.