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JulijaS [17]
3 years ago
9

Oliver earns $23.80 an hour. He earns normal rates during week days and time-and-a-

Mathematics
1 answer:
Oxana [17]3 years ago
8 0
So first we calculate the weekly hours:
23.80 x 34 = 809.20

Then we calculate the time and half:
23.80 x 6 x 1.5 = 214.2

Then we total then together:
214.2 + 809.20 = 1023.40
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Jorge randomly selects a digit from 0 to 9. What is the probability that the digit he selects is a prime number?
zloy xaker [14]

Step-by-step explanation:

{0,1,2,3,4,5,6,7,8,9}--set of numbers from 0 to 9

{2,3,5,7}---set of prime numbers from 0 tp 9

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4/9 is the probability that the digit he selects is a prime number

Hope that helps :)

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3 years ago
Tara and Veronica are in charge of making a banner for the volleyball game this Saturday. How much poster paper will they need f
fenix001 [56]

Answer:

21 7/8 square feet

Step-by-step explanation:

To solve the above Question, we have to used the formula of a parallelogram

The formula is given as:

Base × Height

Base = 6 1/4 feet

Height = 3 1/2 feet

Area = 6 1/4 × 3 1/2

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Area = 175/8

Area = 21 7/8 ft²

Therefore, they would need 21 7/8 square feet poster paper for the parallelogram shaped banner

7 0
2 years ago
If you use a 0.10 level of significance in a two-tail hypothesis test, what is your decision rule for rejecting a null hypothesi
Dovator [93]

Answer:

Our decision rule will be to reject The null hypothesis H0 if the test statistic is less than -1.645, or if it is greater than +1.645.

Step-by-step explanation:

The hypotheses would be;

Null hypothesis;H0: μ = 500

Alternative hypothesis;Ha: μ ≠ 500

Since it's two - tailed at 0.1 level of significance, then each tail will contain 5% or 0.05. From the z-table attached, the corresponding critical value of 0.05 is approximately 1.645 standard deviations from the mean.

Thus, our decision rule will be to reject The null hypothesis H0 if the test statistic is less than -1.645, or if it is greater than +1.645.

7 0
3 years ago
What is the probability that at least 2 of 3 randomly selected students are in th3 band
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The estimated probability would be 0.1... I had this test yesterday. hope this helps
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3 years ago
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