8 Answered Questions for the topic Probability Distributions

Probability Distributions Statistics

03/29/22

#### For a standard normal distribution, find: P(z < 2.85) Express the probability as a decimal rounded to 4 decimal places.

Probability Distributions Statistics

06/15/20

#### Find the last 3 terms in the expansion of (3𝑥 + 𝑥2)5 . Simplify your answer.

Probability Distributions Probability

02/10/20

#### Probability Distributions

In a box of smarties there are eight different colours which normally occur in equal proportions. Rachael is given 24 smarties, and orange ones are her favourite. Assume they come from a very large...
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Probability Distributions Probability

07/24/19

#### Probability Distributions

A
B
C
Total
Male
7
8
15
30
Female
5
20
14
39
Total
12
28
29
69
Giving a test to a group of students, the grades and gender are summarized above. What percent of the students...
more

Probability Distributions Probability

07/24/19

#### Probability Distributions

A
B
C
Total
Male
10
20
2
32
Female
16
3
5
24
Total
26
23
7
56
A test was given to a group of students. The grades and gender are summarized aboveIf one student is chosen at...
more

Probability Distributions Probability

07/24/19

#### Probability Distributions

A
B
C
Total
Male
7
6
2
15
Female
11
17
19
47
Total
18
23
21
62
Giving a test to a group of students, the grades and gender are summarized aboveIf one student was chosen at...
more

07/13/19

#### What does it mean that the probability density function is proportional to a function?

I'm studying for SOA/CAS Exam P and I have a problem that says that $X$ is a continuous and positive random variable whose probability density function is proportional to: $$\\frac{1}{(1+x)^5}$$...
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01/11/19

#### What is P(4 ≤ X ≤ 6)? Explain. If P(X ≤ a) = 0.2, what is a? Explain.

~Questions 1 & 2~Here is a Probability Distribution.Look at the image below to answer the question, please.Thanks in Advance! :)click on the link...
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