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Gnesinka [82]
1 year ago
6

In a school in florida, 60% of the students stay in the school's dormitory and 40% stay with their families. the school records

show that 30% of the students living in the dormitory and 20% of the students living with their families obtain as on exams. if a student chosen at random from the school receives as, the probability that the student lives in the school dormitory is .
Mathematics
1 answer:
Oduvanchick [21]1 year ago
6 0

Answer: 9/13

Step-by-step explanation:

plato classes

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Tahari is shopping for a new car. She is making her decision based on brand, color, and style. She can choose from 4 brands, 5 c
Marat540 [252]

Answer:After choosing the color she still has the choices of brands and style so:

Tahari has 4*3=12 options left.

Step-by-step explanation:

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2 years ago
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Thomas and Pablo began arguing about who did better on their tests, but they couldn't decide who did better given that they took
Shkiper50 [21]

It should be noted that the z score for Thomas test grade is 0.237.

<h3>How to illustrate the information?</h3>

From the information, Thomas took a test in Social Studies and earned a 74.8 and there is the fact that all the students' test grades in the Social Studies class had a mean of 72.6 and a standard deviation of 9.3,

Therefore, the z score for Thomas test grade will be:

= Test score - Mean / Standard deviation

= 74.8 - 72.6 / 9.3

= 0.237.

Therefore, it should be noted that the z score for Thomas test grade is 0.237.

Learn more about standard deviation on:

brainly.com/question/12402189

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Thomas and Pablo began arguing about who did better on their tests, but they couldn't decide who did better given that they took different tests. Thomas took a test in Social Studies and earned a 74.8, and Pablo took a test in Science and earned a 64.1. Use the fact that all the students' test grades in the Social Studies class had a mean of 72.6 and a standard deviation of 9.3, and all the students' test grades in Science had a mean of 61.1 and a standard deviation of 9.8 to answer the following questions.

Calculate the z score for Thomas test grade.

4 0
1 year ago
A movie rental website charges $5.00 per month for membership and $1.25 per movie.Melissa has $18.50 this month to spend on movi
irina [24]
She can only but 14 movies because 18.50÷1.25= 14.8 and then 1.25×14=17.5
7 0
3 years ago
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Find the Perimeter &amp; Area for the following circle.
Feliz [49]

Answer:

A = 28.3 cubic inches; P = 20.1 inches

Step-by-step explanation:

<em>Looks like 3/4 of a full circle</em>

<em>The area of a circle is calculated with the formula: </em>\pi r^{2}

<em>Since the problem wants pi = 3.14, we use 3.14 instead of pi in the equation.</em>

<em>The radius is given as 3 inches</em>

Area = 3.14*3^{2} = 3.14*9 = 28.26 cubic inches = 28.3 cubic inches

------------------------

<em>Perimeter is calculated with </em>2\pi r<em>.</em>

<em>But this is 3/4 of a circle with an additional two 3-inch sides</em>

Perimeter = \frac{3}{4}*2\pi r + 2(3) = 14.1 + 6 = 20.1 inches

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2 years ago
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Write in decimal form<br> 7+3/100+9/1000 =
SpyIntel [72]

Answer:

7.039

Step-by-step explanation:

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