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3 years ago

5

Help whoever does the worksheet i’ll mark brain list

1 answer:

timurjin [86]3 years ago

5 0

Answer: -8.8+13.4 is 22.2 so after that im guesing you have to solve -4.25 divided by 00.5 is 85

Step-by-step explanation:

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Scores on a statewide standardized test are normally distributed with a mean of 12.89 and a standard deviation of 1.95. Certific

Ulleksa [173]

Answer:

Marcus score is 13.7, the mean is 12.89, and the standard deviation is 1.95, so I’ll do ( 13.7 – 12.89)/ 1.95, Since Marcus' z-score is 0.415. The area to the left of the z-score is 65.9% so therefore Marcus did scored better than 65.9% of the students. So Marcus needs to score 98% better of all the other students in order for him to receive an actual certificate.

Step-by-step explanation:

4 0

3 years ago

What is the expanded form of 1,693,222,527? A. 1,000,000,000 + 600,000,000 + 90,000,000 + 3,000,000 + 220,000 + 20,000 + 2,000 +

Daniel [21]

Answer:

A.

Step-by-step explanation:

4 0

3 years ago

The Acculturation Rating Scale for Mexican Americans (ARSMA) is a psychological testdeveloped to measure the degree of Mexican/S

maria [59]

Answer:

95% confidence interval for the mean ARSMA score for first-generation Mexican Americans

(2.13264 , 2.58736)

Step-by-step explanation:

<u><em>Step(i)</em></u>:-

Mean of the Population = 3.0

Standard deviation of the Population = 0.8

Given Mean of the sample(x⁻ ) = 2.36

Standard deviation of the sample (S) = 0.8

size of the sample = 50

Level of significance =0.05

Degrees of freedom = n-1 = 50-1 = 49

$t_{\frac{0.05}{2} , 49} = 2.0096$

<u><em>Step(ii)</em></u>:-

95% confidence interval for the mean ARSMA score for first-generation Mexican Americans

$(x^{-} - t_{(\frac{\alpha }{2},df )} \frac{S}{\sqrt{n} } , (x^{-} +t_{(\frac{\alpha }{2},df )} \frac{S}{\sqrt{n} })$

$(2.36 - 2.0096 \frac{0.8}{\sqrt{50} } , 2.36 +2.0096\frac{0.8}{\sqrt{50} })$

( 2.36 - 0.22736 , 2.36 + 0.22736)

(2.13264 , 2.58736)

<u><em>Final answer</em></u>:-

95% confidence interval for the mean ARSMA score for first-generation Mexican Americans

(2.13264 , 2.58736)

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3 years ago

How would the number 6,870,000,000,000,000 appear in scientific notation on a calculator screen using e?

bazaltina [42]

It would appear as 6.87E13 or 6.87*10^13

7 0

3 years ago

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Jesse wanted to buy some lettuce that sells for $ 0.52 per pound. How much will Jesse spend on 1.3 lbs. of lettuce? A single hea

IgorLugansk [536]

Answer:

Jesse will spend 0.68$ for 1.3 lbs of lettuce. Jesse will spend about 0.46$ on a single head of lettuce.

Step-by-step explanation:

8 0

4 years ago

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