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Free_Kalibri [48]
3 years ago
5

Suppose you choose a marble from a bag containing 3 red marbles, 5 white marbles, and 4 blue marbles. You return the first marbl

e to the bag and then choose again. Find P(red and blue).
Mathematics
1 answer:
Liono4ka [1.6K]3 years ago
8 0
The best answer I can give you is 7/12
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Find the measure of b, given = 38°, = 74°, and a = 31.
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3 years ago
Find slope of y=x+15
Gennadij [26K]

Answer:

slope is 1

Step-by-step explanation:

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4 0
3 years ago
Pete is a very good student . The probability that he studies for his test and then passes it is 7/10 If the probability that Pe
antiseptic1488 [7]

Answer:

The probability that Pete passes his test given that he studied = (8/10) = (4/5) = 0.80

Step-by-step explanation:

Let the event that Pete studies be S.

Let the event that Pete passes the test be P.

The probability that he studies for his test and then passes it is P(S n P) = 7/10

The probability that Pete studies is P(S) = 7/8

The probability that Pete passes his test given that he studied = P(P|S)

The conditional probability, P(A|B) is given mathematically as

P(A|B) = P(A n B) ÷ P(B)

So, the required probability, P(P|S) will be

P(P|S) = P(P n S) ÷ P(S)

P(P n S) = P(S n P) = (7/10)

P(S) = (7/8)

P(P|S) = P(P n S) ÷ P(S)

= (7/10) ÷ (7/8)

= (7/10) × (8/7)

= (8/10) = (4/5) = 0.80

The probability that Pete passes his test given that he studied = (8/10) = (4/5) = 0.80

Hope this Helps!!!

3 0
3 years ago
How many people have been to Mexico, but not have been to Canada
Reil [10]

Answer:

3

Step-by-step explanation:

9-6=3 or 6+3=9

hope this helps

3 0
3 years ago
Read 2 more answers
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