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Mrrafil [7]
3 years ago
11

Out of 56 players on the football team, 24 are on honor roll and 18 have perfect attendence. 7 who are on honor roll also have p

erfect attendence. If a player is chosen at random, what is the probability that they are on honor roll, if it is known that they also have perfect attendance?
Mathematics
2 answers:
JulijaS [17]3 years ago
8 0

Answer:

7/56

Step-by-step explanation:

This is because there are 56 people and seven out of them are on the honor roll and have perfect attendance. You have a seven out of fifty-six chance of choosing them.

ruslelena [56]3 years ago
3 0

Answer:

There would be a 7/18 chance.

Step-by-step explanation:

Since we are given that we know they have perfect attendance, we limit the sample size to those with perfect attendance (18). Then for the chance, we use the amount who are also on honor role (7). Now we divide the two numbers.

7/18

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Which equation correctly shows the multiplication of the means and extremes in the proportion 7.2∕9.6 = 21.6∕28.8?
vampirchik [111]

Which equation correctly shows the multiplication of the means and extremes in the proportion 7.2 ∕ 9.6 = 21.6 ∕ 28.8?

a. 7.2 ⋅ 9.6 = 21.6 ⋅ 28.8

b. 9.6 ⋅ 21.6 = 28.8 ⋅ 7.2

c. 7.2 ⋅ 21.6 = 28.8 ⋅ 9.6

d. 7.2 ⋅ 28.8 = 21.6 ⋅ 28.8

Answer:

b. 9.6 ⋅ 21.6 = 28.8 ⋅ 7.2

Step-by-step explanation:

When a proportion say a/b = c/d is given, the outer terms are called the extremes while the inner/middle terms are called the means.

In the case of a / b = c / d,

the outer terms are a and d

the inner terms are b and c

Often times, we find the cross products of the proportion to test whether the two ratios in the proportion are equal. To do that, we find the product of the extremes and equate it to the product of the means.

In the case of a / b = c / d,

the cross products are a x d and b x c

So if a x d = b x c, then a/b = c/d is a true proportion.

Now to the question;

Given proportion: 7.2 / 9.6 = 21.6 / 28.8

Extremes = 7.2 and 28.8

Means = 9.6 and 21.6

The correct multiplication of the means and extremes is therefore

9.6 x 21.6 = 7.2 x 28.8

or

9.6 · 21.6 = 7.2 · 28.8

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