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aev [14]
3 years ago
8

If p is a prime, which one of the following could be a prime also?

Mathematics
1 answer:
xz_007 [3.2K]3 years ago
7 0
Well I got j for this. I picked a prim number for ex 5 and tries it with each problem.
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According to the Stack Overflow Developers Survey of 20184, 25.8% of developers are students.The probability that a developer is
murzikaleks [220]

Answer:

0.0326 = 3.26% probability that she is a student.

Step-by-step explanation:

Conditional Probability

We use the conditional probability formula to solve this question. It is

P(B|A) = \frac{P(A \cap B)}{P(A)}

In which

P(B|A) is the probability of event B happening, given that A happened.

P(A \cap B) is the probability of both A and B happening.

P(A) is the probability of A happening.

In this question:

Event A: Woman developer

Event B: Student

Probability that the developer is a woman:

7.4% of 25.8%(students).

76.4% of 100 - 25.8 = 74.2%(not students). So

P(A) = 0.074*0.258 + 0.764*0.742 = 0.58598

Student and woman developer.

7.4% of 25.8%(students), so

P(A \cap B) = 0.074*0.258 = 0.019092

If we encounter a woman developer, what is the probability that she is a student

P(B|A) = \frac{P(A \cap B)}{P(A)} = \frac{0.019092}{0.58598} = 0.0326

0.0326 = 3.26% probability that she is a student.

5 0
2 years ago
Calculate the lateral area of the cube if the perimeter of the base is 12 units
Brums [2.3K]

The lateral area of the cube is 36 sq units

<u>Explanation:</u>

<u />

Given:

Perimeter of the base of the cube = 12 units

Base of the cube has 4 sides

So, the perimeter of the base = 4a

where,

a is the length of one side

Thus,

4a = 12 units

a = 3 units

Lateral surface area of the cube = 4a²

A = 4 X (3)²

A = 36 sq units

Therefore, the lateral area of the cube is 36 sq units

4 0
3 years ago
What is the missing number?
andriy [413]
As it appears to be the same thing on both sides so far wouldn't you think that it's 8?
6 0
3 years ago
MARKING BRAINLIEST!!
Misha Larkins [42]

Answer: 6a 2(a+2a) and the last one

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Eight more than the product of four and a number is twice the sum of the number and six. Write an equation that can be used to s
masha68 [24]
4n+8=2(n+6)
Now isolate the n on one side of the equation:
4n+8=2n+12(distribution of the 2)
4n=2n+4(combine like terms)
2n=4(combine like variables)
N=2(isolate the n)

The answer is 2
Good luck!
3 0
3 years ago
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