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Likurg_2 [28]
3 years ago
12

Please help I have been stuck for a while now

Mathematics
1 answer:
Soloha48 [4]3 years ago
6 0

Answer:

B. Between x 2 and x 3

Step-by-step explanation:

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Ostrovityanka [42]

Answer:

I think its a two step

Step-by-step explanation:

welp try your best good luck

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3 years ago
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If the price of an item is $60 and there is a sales tax of 4.25%. what is the amount of tax you would have to pay?​
anzhelika [568]

Answer: the total is 62.55 so you would be paying $2.55 in tax

Step-by-step explanation:

7 0
2 years ago
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In the United States, 35% of households own a 4K television. Suppose we take a random sample of 150 households. (a) Describe the
sattari [20]

Answer:

(a) The distribution of the sample proportion is Normal distribution.

(b) The probability that in this sample of 150 households that more than 50% own a 4K television is 0.00012.

Step-by-step explanation:

We are given that in the United States, 35% of households own a 4K television.

Suppose we take a random sample of 150 households.

<em>Let </em>\hat p<em> = sample proportion of households who own a 4K television.</em>

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

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

where, \hat p = sample proportion

     p = population proportion of households own a 4K television = 35%

     n = sample of households = 150

(a) The distribution of the sample proportion is related to the Normal distribution.

(b) Probability that in this sample of 150 households more than 50% own a 4K television is given by = P( \hat p > 0.50)

    P( \hat p > 0.50) = P( \frac{ \hat p-p}{\sqrt{\frac{\hat p(1-\hat p)}{n} } } > \frac{ 0.50-0.35}{\sqrt{\frac{0.50(1-0.50)}{150} } } ) = P(Z > 3.67) = 1 - P(Z \leq 3.67)

                                                                   = 1 - 0.99988 = 0.00012

<em>Now, in the z table the P(Z </em>\leq<em> x) or P(Z < x) is given. So, the above probability is calculated by looking at the value of x = 3.67 in the z table which has an area of 0.99988.</em>

Therefore, probability that in this sample of 150 households more than 50% own a 4K television is 0.00012.

8 0
3 years ago
If guy walks from his house to school and back, how far dose he walk
olga55 [171]

Answer:

He walks the distance to his house from school twice, hope this helps!! (:

X=Distance

x*2

5 0
3 years ago
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The number of homicides per 100,000 people is given by the equation
never [62]

Answer:

  • A: 9.03
  • B: 2 years
  • C: 2012, negative

Step-by-step explanation:

A. For x = 18, y ≈ 9.03 . . . . homicides per 100,000

__

B. The curve has a maximum at about x ≈ 2.003, about 2 years after 1990.

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C. The model produces negative numbers for x > 22. It will not be valid after 2012.

6 0
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