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Alchen [17]
2 years ago
10

Billy wants to find out which cafeteria food is the favorite in his school for students. He surveys 100 students. 29 students se

lect sub sandwiches, 35 select steak and gravy, and 36 select fried chicken. if you select one of these students. What is the probability it will be a student who prefers chicken
Answer choices
A. 7/20
B. 9/25
C. 40%
D.29/100​
Mathematics
2 answers:
Pani-rosa [81]2 years ago
6 0
9/25 it’s simplified
Yuki888 [10]2 years ago
3 0

Answer:

36% or  9/25

Step-by-step explanation:

35+36+29=100 so 100-35-29=64 and 36 are left so you divide 9/25 and you get 0.36 and you put it into a percentage and the answer is 36% or  9/25.

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storchak [24]
35/32 = 35/32

If the numerator is greater than or equal to the denominator of a fraction, then it is called an improper fraction. In that case, you could convert it into a whole number or mixed number fraction.

35/32 = 1 3/32
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2 years ago
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2 years ago
John is filling the bathtub that is 18 inches deep. He notices that it takes two minutes to fill the tub with three inches of. W
morpeh [17]

Answer: No he isn't correct because it would take 12 minutes to fill the bathtub up 18 inches if it continued at the same rate

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8 0
3 years ago
A health research institute collects information from 20 individuals on the number of years they have spent smoking cigarettes,
olga55 [171]

The correlation coefficient of the health research institute data measures the relationship between the age and the years of the smokers

The correlation coefficient is 0.53

<h3>How to calculate the correlation coefficient</h3>

The correlation coefficient (r) is calculated as:

r = \frac{n(\sum xy) - \sum x \sum y}{\sqrt{[n \sum x^2 - (\sum x)^2][n\sum y^2 - (\sum y)^2}}

Using the given parameters, we have:

r = \frac{20 *8249 - 1257* 116}{\sqrt{[20 * 98823 - 1257^2][20 * 836 - 116^2}}

Evaluate the exponents

r = \frac{20 *8249 - 1257* 116}{\sqrt{[20 * 98823 - 1580049][20 * 836 - 13456}}

Evaluate the products

r = \frac{164980 - 145812}{\sqrt{[1976460 - 1580049][16720 - 13456}}

Evaluate the differences

r = \frac{19168}{\sqrt{[396411*3264}}

Evaluate the product

r = \frac{19168}{\sqrt{1293885504}}

Evaluate the root

r = \frac{19168}{35970.6}

Evaluate the quotient

r = 0.53

Hence, the correlation coefficient is 0.53

Read more about correlation coefficient at:

brainly.com/question/1564293

8 0
2 years ago
Pls help me with this question i cant figure it out
pychu [463]

Answer:

5

0.1

10

10

Step-by-step explanation:

|actual temp - estimate| = |50 - 45| = |5| = 5

5/50 = 0.1

0.1 × 100 = 10

10

5 0
2 years ago
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