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IceJOKER [234]
2 years ago
10

If Gabby has 15 cosmetics in a bag, and 5 of those cosmetics are eyeshadow, then what is the probability of her picking an eyesh

adow from the bag?
Mathematics
2 answers:
Andrew [12]2 years ago
8 0

|\Omega|=15\\ |A|=5\\\\ P(A)=\dfrac{5}{15}=\dfrac{1}{3}\approx33\%

nasty-shy [4]2 years ago
4 0

this could be represented in the following way 5/15

Probability is

Fraction= 1/3

Decimal=0.33333333333333

Percentage:33.33333%

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Answer:

3.93% probability that both say service is poor

Step-by-step explanation:

A probability is the number of desired outcomes divided by the number of total outcomes.

The customers are chosen without replacement, and the order in which they are chosen is not important. So we use the combinations formula to solve this question.

Combinations formula:

C_{n,x} is the number of different combinations of x objects from a set of n elements, given by the following formula.

C_{n,x} = \frac{n!}{x!(n-x)!}

What is the probability that both say service is poor?

Desired outcomes:

Two saying it is poor, from a set of 66. So

D = C_{66,2} = \frac{66!}{2!(66-2)!} = 2145

Total outcomes:

Two customers from a set of 331. So

T = C_{331,2} = \frac{331!}{2!(331-2)!} = 54615

Probability:

p = \frac{D}{T} = \frac{2145}{54615} = 0.0393

3.93% probability that both say service is poor

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2 years ago
The standard deviation of a sample taken from population A is 17.6 for a sample of 25. The standard deviation of a sample taken
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33.3..........................................
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Help please I need this in less than 2 mins
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Answer:

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Step-by-step explanation:

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What are the possible values of x and y for two distinct points, (5, –2) and (x, y), to represent a function?
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If something is not a function does that mean x does repeat or no.
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