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abruzzese [7]
3 years ago
5

a student's cost for last semester in her community college was $2,300. she spent $253 of that on books. what percent of my seme

sters college costs was spent on books?
Mathematics
1 answer:
lana66690 [7]3 years ago
4 0

Answer:

11%

Step-by-step explanation:

To find the percentage of books to total cost, divide 253/2300. You get .11

Move the decimal 2 places to the right and that's the percentage.

11%

hope this was good enough

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Answer:  a) probability that the game will be canceled= 45%

b) probability there will be a light drizzle and the game will not be canceled=20%

Step-by-step explanation:

Since we have given that

Probability of heavy fog is given by

P(F)=0.70

Probability of a light drizzle is given by

P(D)=0.30

Probability of getting canceled a softball game due to light drizzle is given by

P(C\mid D)=0.80

Probability of getting canceled a softball game due to heavy fog is given by

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a. Find the probability that the game will be canceled.

Probability of getting the game be cancelled is given by

P(C)=P(F)\times P(C\mid F)+P(D)\times P(C\mid D)\\\\P(C)=0.70\times 0.30+0.30\times 0.80\\\\P(C)=0.45\\\\P(C)=45\%

b. Find the probability there will be a light drizzle and the game will not be canceled.

Probability that there will be a light drizzle and the game will not be canceled is given by

P(C'\mid D)=1-P(C\mid D)\\\\P(C'\mid D)=1-0.80\\\\P(C'\mid D)=0.20\\\\P(C'\mid D)=20\%

Hence, a) probability that the game will be canceled= 45%

b) probability there will be a light drizzle and the game will not be canceled=20%

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