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eimsori [14]
2 years ago
5

Suppose 30% of OSU students watch reality TV shows of some kind every week. 100 OSU students are selected at random and asked if

they watch reality TV of some kind each week.
X = number in the sample who watch reality TV of some kind each week.
Find the mean and SD of X.
Mathematics
1 answer:
andrey2020 [161]2 years ago
3 0

Answer:

Step-by-step explanation: and true

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Plsss help me!!!!
m_a_m_a [10]

Answer:

The answer to your problem is 10

Step-by-step explanation:

tony is 5 years younger than Marvin's age 1 year from now.

t = (m+1) - 5

t = m - 4

6 years ago tony was half as old as marvin was then.

t - 6 = 1/2(m - 6)

Get rid of the fraction, multiply both sides by 2

2(t-6) = m - 6

2t - 12 = m - 6

2t = m - 6 + 12

2t = m + 6

from the first statement, replace t with (m-4)

2(m-4) = m + 6

2m - 8 = m + 6

2m - m = 6 + 8

m = 14 is Marvin's present age

:

how old is tony now?

t = 14 - 4

t = 10 yrs is tony's age

7 0
3 years ago
Which number line and equation show how to find the distance from -2 to - 5?
Lady bird [3.3K]

Answer:

  B

Step-by-step explanation:

If you're concerned with the points -2 and -5, you would be looking for a number line with those points plotted on it. The only one is ...

  number line B

6 0
1 year ago
Please help algebar 2
mylen [45]

Answer:

Step-by-step explanation:

g(5)= (-5)^2 + 5(-2) - 4

         25 - 10 - 4

         15 - 4 = 11

f(11)= (11)^2 + 2(11) + 3

        121 + 22 + 3

        143 + 3 = 146

5 0
2 years ago
The graph shows the proportional relationship between the minutes Oliver
stepladder [879]

Step-by-step explanation:

Given

A proportional relation is given between minutes spend in reading and no of pages

Suppose we choose the point (2,3), It shows that 2 minutes is taken to read three pages.

Similarly, for point (4,6), It shows four minutes is taken to read 6 pages.

In this way, 6 minutes is taken for 12 pages.

8 0
3 years ago
Charles needed 3/4 cups of rasins. if he has a 1/4 measuring cup, how many times will he need to fi'll it up to get to the right
koban [17]
3 times because if he needs 3/4 cup the. you should use it 3 times. (3/4÷1/4=3)
7 0
2 years ago
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