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Stels [109]
3 years ago
11

Please help me please!!!

Mathematics
1 answer:
Tju [1.3M]3 years ago
4 0
B -3, hope it helps:)
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John randomly picks a number from 1 to 5 (both inclusive) and a letter from A to E (both inclusive). What is the probability tha
Greeley [361]

Answer:

P(A \cap B) = P(A) *P(B) =\frac{1}{5} \frac{1}{5}= \frac{1}{25}

So then the best option would be:

a. 1/25

Step-by-step explanation:

For this case we assume that the sample space for the numbers is :

S_1= [A,B,C,D,E]

And the sample space for the numbers is:

S_2 =[1,2,3,4,5]

Both sampling spaces with a size of 5.

We define the following events:

A="We select a 2 from the numbers"

B= "We select a E from the letters"

We can find the individual probabilities for each event like this:

P(A)= \frac{1}{5}

P(B) = \frac{1}{5}

And assuming independence we can find the probability required like this:

P(A \cap B) = P(A) *P(B) =\frac{1}{5} \frac{1}{5}= \frac{1}{25}

The last probability is the probability of obtain obtain a 2 AND an E

So then the best option would be:

a. 1/25

3 0
4 years ago
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Divide them by 64 and 36 to get the answer
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Step-by-step explanation:

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Translate this phrase into an algebraic expression. Eight more than the product of 8 and a number Use the variable n to represen
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Answer:

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Step-by-step explanation:

We already know that n is the unknown number. Product means multiplying, so you multiply 8 by the unknown number. More than means adding, so you add 8 to the product of 8n.

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she earns 14.28 per hour and 6.75 each time.

Step-by-step explanation:

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