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Dafna1 [17]
3 years ago
9

What is the probability that you get two even numbers if you roll two dice?

Mathematics
1 answer:
RoseWind [281]3 years ago
3 0

Answer:

Probability of both even is 12×12=14. Given they are both even there are 3 possible even numbers: 2,4,6.

Step-by-step explanation:

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Solve the given trigonometric equation analytically and by use of a calculator. Compare results. Use values of x for 0≤x≤2π
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Step-by-step explanation:

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2 years ago
If I chose a number uniformly from the integers from 1 to 25, calculate the conditional probability that the number is a multipl
topjm [15]

Answer:

<h2>1/7</h2>

Step-by-step explanation:

If I choose a number from the integers 1 to 25, the total number of integers I can pick is the total outcome which is 25. n(U) = 25

Let the probability that the number chosen at random is a multiple of  6 be P(A) and the probability that the number chosen at random is is larger than 18 be P(B)

P(A) = P(multiple of 6)

P(B) = P(number larger than 18)

A = {6, 12, 18, 24}

B = {19, 20, 21, 22, 23, 24, 25}

The conditional probability that the number is a multiple of 6 (including 6) given that it is larger than 18 is expressed as P(A|B).

P(A|B) = P(A∩B)/P(B)

Since probability = expected outcome/total outcome

A∩B = {24}

n(A∩B) = 1

P(A∩B) = n(A∩B)/n(U)

P(A∩B) = 1/25

Given B = {19, 20, 21, 22, 23, 24, 25}.

n(B) = 7

p(B) = n(B)/n(U)

p(B) = 7/25

Since P(A|B) = P(A∩B)/P(B)

P(A|B) = (1/25)/(7/24)

P(A|B) = 1/25*25/7

P(A|B) = 1/7

<em></em>

<em>Hence the conditional probability that the number is a multiple of 6 (including 6) given that it is larger than 18 is 1/7</em>

7 0
3 years ago
Brian has a gift card with a $250 balance. He buys several video games that cost $33 each. After the purchases, his gift card ba
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Answer: x=6.6969

Step-by-step explanation:

250-(33x)=29

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x=6.6969

5 0
3 years ago
Read 2 more answers
It took Brian 6 hours to drive to the sales conference. He took the same route on the way back home, but
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Answer:  54 mph

Step-by-step explanation:

d-the distance

s+9  -  the speed to the conference

d=6*(s+9)

s- is the speed on the way back home

d=7*s

so    6*(s+9)=7*s

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     -6s          -6s

       54= 7s-6s

       s=54  mph

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3 years ago
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