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Mkey [24]
3 years ago
15

A day care program has an average daily expense of $75.00. The standard deviation is $5.00. The owner takes a sample of 64 bills

. What is the probability the mean of his sample will be between $70.00 and $80.00? Step 1. Calculate a z-score for $70.00 - Step 2. Give the probability for step 1.
Mathematics
1 answer:
SpyIntel [72]3 years ago
6 0
I think the answer is 61 dont quote me on it im awful at math
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Which of the following is the simplified form of the seventh root of x times the seventh root of x times the seventh root of x ?
Studentka2010 [4]
When multiplying numbers of the same base , we add the powers.
Example:
2^2 * 2^3 = 2^(2+3) = 2^5

For the givens:
The seventh root of x can be written as x^(1/7)
Now, we need to multiply x^(1/7) by x^(1/7) by x^(1/7)
These numbers have the same base which is "x", therefore, we will just add the power.
This means that:
x^(1/7) * x^(1/7) * x^(1/7) = x^(1/7 + 1/7 + 1/7) = x^(3/7)

Therefore, the correct choice is the first one: x^(3/7)

5 0
3 years ago
A company launches 4 new products. The market price, in dollars, of the 4 products after a different number of years, x, is show
dem82 [27]

Product 4 after the third year is 27 which is higher than the rest after 3 years.

And because x is raised to the third, the amount would Increase by being raised to the 3rd every year.

The answer is Product 4.

5 0
3 years ago
I need help with this math work
AveGali [126]
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4 0
3 years ago
Give an example of a real number, an imaginary number, and a complex number. Use examples that have not
irinina [24]

Answer:

Real number 5

Imaginary number 5i

Complex number 2+5i

Step-by-step explanation:

A real number is that number that can be represented on number line

There is no imaginary part in real number

Example of real number is 5

Imaginary number is that in which there is no real part

Example of imaginary number is 5i

When there is a combination of both real and imaginary part then number is called complex number

Example of complex number is 2+5i

6 0
3 years ago
A sixth grade class is going on a field trip. The school is providing a one sack lunch for each student. Each lunch has either a
vova2212 [387]

Answer:

List 2

Step-by-step explanation:

List 1 mentions that there is "Ham, Carrots, celery". We know that students can only have <em>either </em>carrots or celery, but the list shows that the students have both. Therefore, list 2 is correct.

3 0
3 years ago
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