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Tamiku [17]
2 years ago
13

Complete the multiplication sentence.

Mathematics
1 answer:
lana66690 [7]2 years ago
7 0

Answer:

3

Step-by-step explanation:

multiply both sides of the equation by 10

10(1/10x) = 10 (3/10)

simplify both sides of the equation

left side: 10 (1/10x)

x=10(3/10)

Right side:

x=10 (3/10)- cancel the common factor, then rewrite the expression

x=3

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A gallup survey indicated that 72% of 18- to 29-year-olds, if given choice, would prefer to start their own business rather than
Neko [114]

Answer:

The probability that no more than 70% would prefer to start their own business is 0.1423.

Step-by-step explanation:

We are given that a Gallup survey indicated that 72% of 18- to 29-year-olds, if given choice, would prefer to start their own business rather than work for someone else.

Let \hat p = <u><em>sample proportion of people who prefer to start their own business</em></u>

The z-score probability distribution for the sample proportion is given by;

                               Z  =  \frac{\hat p-p}{\sqrt{\frac{\hat p(1-\hat p)}{n} } }  ~ N(0,1)

where, p = population proportion who would prefer to start their own business = 72%

            n = sample of 18-29 year-olds = 600

Now, the probability that no more than 70% would prefer to start their own business is given by = P( \hat p \leq 70%)

       P( \hat p \leq 70%) = P( \frac{\hat p-p}{\sqrt{\frac{\hat p(1-\hat p)}{n} } } \leq \frac{0.70-0.72}{\sqrt{\frac{0.70(1-0.70)}{600} } } ) = P(Z \leq -1.07) = 1 - P(Z < 1.07)

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The above probability is calculated by looking at the value of x = 1.07 in the z table which has an area of 0.8577.

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3 years ago
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Answer:

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Step-by-step explanation:

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ad-work [718]

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C = 50.24

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Step-by-step explanation:

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