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amm1812
3 years ago
6

Keisha is having a birthday party. Her mom gave her $30 to purchase items for the party. She brought 16 party hats and 16 bags.

Each party hat cost $0.70 each and each bad cost $0.35 each. How much money did Keisha have left after these purchases
Mathematics
1 answer:
ludmilkaskok [199]3 years ago
3 0
Keisha has $13.2 leftover
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Read 2 more answers
Calculate the (modeled) probability P(E) using the given information, assuming that all outcomes are equally likely.
Luba_88 [7]

The probability P(E) is 13/15.

According to the statement

we have given that the S = {1, 3, 5, 7, 9}, E = {1, 5, 7}

And we have to find the probability P(E).

So, For this purpose

Recall the formula for the probability of an event E in case when all outcomes are equally likely:

P(E)= n(E) /n(S)

in which S is the sample space.

But we have the S = {1, 3, 5, 7, 9},

so, n(S) = Sum of all outcomes / number of outcomes

n(S) = 1+3+5+7+9 /5

n(S) = 25 /5

n(S) = 5 and

For n(E) = Sum of all outcomes / number of outcomes

n(E) = 1+5+7 /3

n(E) = 13 /3

n(E) = 13 /3

Substitute these values in the above written formula then

P(E)= n(E) /n(S)

P(E)=  (13/3)/ 5

P(E)= 13 /15

So, The probability P(E) is 13/15.

Learn more about the PROBABILITY here brainly.com/question/25870256

#SPJ4

5 0
1 year ago
Math questions. Correct please
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3 years ago
Four students have applied to a special program and only one can be accepted. They have taken a battery of 12 tests and all have
irga5000 [103]

Answer:B

Step-by-step explanation:

Given

Every student secure same average score

Standard deviation is denoted by \sigma

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\sigma _B=0.27

\sigma _C=13.45

\sigma _D=6.45

Consistency is criteria of acceptance then Student should be selected the standard deviation is least for student B.

Standard deviation tells how a data varies from mean Position .

More Deviation from mean indicates less consistency .

6 0
3 years ago
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