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zzz [600]
3 years ago
14

PLEASE HELP, TIMEDThe table shows the results of a survey in which 10th-grade students were asked how many siblings (brothers an

d/or sisters) they have.
What is the experimental probability that a 10th-grade student chosen at random has at least one, but no more than two, siblings?


To the nearest whole percent, the experimental probability is
a. 65%.
b. 70%
c. 75%
d. 80%

Mathematics
2 answers:
Goryan [66]3 years ago
6 0

We are given to find

the experimental probability that a 10th-grade student chosen at random has at least one, but no more than two, siblings

we know that

probability = ( number of favourable outcomes)/ ( total possible outcomes)

a 10th-grade student chosen at random has at least one, but no more than two, siblings

so, there can be one or two siblings

so, total number of such students =18+10=28

Number of favourable outcomes =28

total number of students =4+18+10+8=40

so, total favourable outcomes =40

now, we can find probability

p=\frac{28}{40}

p=\frac{28}{40}\times 100

p=70

So,

the experimental probability is 70%...........Answer

Lana71 [14]3 years ago
5 0

Answer:

70% is the answer your looking for

Step-by-step explanation:

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