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Solnce55 [7]
3 years ago
5

What is the value of K?

Mathematics
1 answer:
sladkih [1.3K]3 years ago
3 0

Answer: its A

Step-by-step explanation:

Because

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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)

                                                                       = 1 - 0.8577 = <u>0.1423</u>

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.

3 0
3 years ago
A metal bar is 7 5/8 inches long. If 9/32 inches is cut off one end, how long is the bar after the cut?
Blizzard [7]
7 11/32 inches i do believe
8 0
2 years ago
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Please Help. I need help answering the question attached.
dsp73
the answer is multiply the current term by 2 and add 1 to find the next term.
5 0
3 years ago
The income statement of Carla Vista Co for the month of July shows net income of 2300 based on service revenue 6500, salaries an
Blizzard [7]

Answer:

-500

Step-by-step explanation:

2300-6500-2500--1100--600-150-250-+600

3 0
2 years ago
Mike has a net spendable income of $1,400. He decides to set up a budget before looking for an apartment or a car. He sets up hi
Gala2k [10]
<span>B) Mike does not have enough money budgeted for food or medical expenses.</span>
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3 years ago
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