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Sergio [31]
3 years ago
5

Q5: The probability that event A occurs is 5/7 and the probability that event B occurs is 2/3 . If A and B are independent event

s, what is the probability that A and B both occur?
Mathematics
1 answer:
bekas [8.4K]3 years ago
7 0

Answer:

P(A \cap B)

And we can use the following formula:

P(A \cap B)= P(A)* P(B)

And replacing the info we got:

P(A \cap B) = \frac{5}{7} \frac{2}{3}= \frac{10}{21}=0.476

Step-by-step explanation:

We define two events for this case A and B. And we know the probability for each individual event given by the problem:

p(A) = \frac{5}{7}

p(B) = \frac{2}{3}

And we want to find the probability that A and B both occurs if A and B are independent events, who menas the following conditions:

P(A|B) = P(A)

P(B|A) = P(B)

And for this special case we want to find this probability:

P(A \cap B)

And we can use the following formula:

P(A \cap B)= P(A)* P(B)

And replacing the info we got:

P(A \cap B) = \frac{5}{7} \frac{2}{3}= \frac{10}{21}=0.476

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andrey2020 [161]

If there are 60 people waiting for a river raft ride. Each raft holds

15 people. how Silvia's work can be used to find the number

of rafts needed is: total number of people/Number of people holded by  each raft.

<h3>Number of rafts needed</h3>

Using this formula

There are 136 people waiting for a river raft ride each raft holds 8 people.

Number of rafts needed=Number of people/Capacity of raft

Where:

Number of people = 60

Capacity of raft = 15 people

Let plug in the formula

Number of rafts needed=60/15

Number of rafts needed=4 rafts needed

Therefore if  raft holds 15 people. how Silvia's work can be used to find the number of rafts needed is: total number of people/<em>Number </em>of people holded by  each raft.

Learn more about Number of rafts needed here:brainly.com/question/8361379
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8 0
1 year ago
Correct
Gekata [30.6K]

Answer:

Step-by-step explanation:

                 <u> 4km</u>

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4km ÷ 10.73 km/hr = .37 hr = 22.3 minutes

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2 years ago
Find the value of x in the following figure ( Please hurry)
kolbaska11 [484]

Answer:

x=9

Step-by-step explanation:

2x+12=5x-15

3x=27

x=9

7 0
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Number six is 70 cus your adding
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Step-by-step explanation:

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