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marshall27 [118]
4 years ago
9

In a large lecture hall there are 300 students of which 160 are male and 165 are female. If one student is selected at Radom det

ermine the empirical probability that the student is female
Mathematics
1 answer:
garik1379 [7]4 years ago
4 0
165/300 -> 55%
This doesn't make much sense though, either the question is out of context or there is some typo because empirical probability is based on results you get from an experiment and actually doing the trial, not on what happens mathematically
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4/5 of a class is girls and there are 8 boys. How many total in class.
Ann [662]

Answer:

40

Step-by-step explanation:

a+b=c

a=girls

b= boys

c= total

the statement tell us:

4/5 of a class is girls:

a=(4/5)*c

boys=b=8

c=a+b

so we have:

c=(4/5)*c + 8

c-(4/5)*c=8

(5c-4c)/5 = 8

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c=8*5

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3 0
3 years ago
Hans will rent a car for the weekend. He can choose one of two plans. The first plan has an initial fee of $51.96 and costs an a
AlexFokin [52]
X- the miles Hans is driving
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5 0
3 years ago
Hunter had 3⁄8 of a pizza. He gave 2⁄3 of the pizza to his friend Taylor. What fraction of the whole pizza did Taylor get?
Nikitich [7]

Answer:

1/4

Step-by-step explanation:

3/8 * 2/3 = 6/24 = 1/4

AAAAAAAA  .... whole pizza

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4 0
3 years ago
The scale on a map indicates that 1 inch corresponds to an actual distance of 95 miles. two cities are 4.5 inches apart on the m
arlik [135]
The two cities are actually 427.5 miles apart.
3 0
3 years ago
A class of 32 students contains 15 boys.
LiRa [457]

Answer:

11 boys walk to school each day

Step-by-step explanation:

<em>*The following will be assumed: the only genders of students in the class are male or female; the only options for getting to school are walking or not walking</em>

If there are 32 students in the class total, and there are 15 boys,

32 - 15 = 17

there are 17 girls.

If 8 of these girls do not walk to school,

17 - 8 = 9

9 girls walk to school

So, if 20 total students walk to school, and 9 of those are girls

20 - 9 = 11

11 boys walk to school each day.

3 0
2 years ago
Read 2 more answers
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