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sp2606 [1]
3 years ago
5

A random sample of 10 subjects have weights with a standard deviation of 11.0974 kg. What is the variance of their​ weights? Be

sure to include the appropriate units with the result.
Mathematics
1 answer:
Pani-rosa [81]3 years ago
6 0

Answer:

Variance is 123.14 square kilograms.

Step-by-step explanation:

We have been given that

N=10,\sigma=11.0974\text{ kg}

Now, we know the formula,

\tex{Variance}=\sigma^2\\\\\tex{Variance}=(11.0974)^2\\\\\tex{Variance}=123.15\text{ kg}^2

Hence, the variance is 123.14 square kilograms.

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Miguel has a credit card bill of $7250 with an interest rate of 16%. To pay his bill off in one year, he must make monthly payme
Tems11 [23]

Answer:

The extra amount to be paid = $ 309.15

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Credit card bill = $ 7250 .

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Monthly payment = $ 657.80

Total amount to be paid in a year = $ 657.80 × 12 = $ 7893.6

Interest amount in 1 year = $ 7893.6 - $ 7250 =  $ 643.6.

<h3>AMOUNT TO BE PAID IN 18 MONTHS </h3>

Monthly payment = $ 455.71.

Total amount to be paid in a 18 months = $ 455.71 × 18 =  $ 8202.78

Interest amount  to be paid in 18 months = $ 952.78 .

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5 0
4 years ago
A number increased by 4 is the same as the number plus 10
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