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Mid-Term Quiz
Mid-Term Quiz
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From Introduction to continous probability distributions
Flashcards
15 cards
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Practice quiz
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Questions
15
Answers
1
The possible responses to the following question are values from a...
nominal data.
ratio data
ordinal data.
interval data.
2
See table below! What is the probability that the company offered stock options to their board members?
0.49
0.51
0.78
0.22
3
Use 2000 as the base. What is the simple aggregate price index in 2005?
141
143
105
125
4
Demand forecast in 2020 is…
225
277.5
275
222.5
5
If event
A
and event
B
cannot occur at the same time, then events
A
and
B
are said to be
statistically independent.
mutually exclusive.
None of the above.
collectively exhaustive.
6
In its standardized form, the normal distribution…
cannot be used to approximate discrete probability distributions.
has an area equal to 0.5.
has a mean of 0 and a standard deviation of 1.
has a mean of 1 and a variance of 0.
7
See table below! what is the probability that the company is small to mid-sized and did not offer stock options to their
0.11
0.12
0.40
0.37
8
The possible responses to the following question are values from a...
continuous random variable.
parameter.
discrete random variable.
categorical random variable.
9
From the situation below, the probability that there will be at least 3 power outages in a year is...
0.0938
0.0892
0.1339
0.1737
10
In the situation given, all the employees in the corporation constitute the …
parameter
statistics
population
sample
11
Use 2000 as the base. What is the simple price index in 2005 for hex nut?
125
143
141
105
12
The possible responses to the following question are values from a...
nominal data.
interval data.
ratio data
ordinal data.
13
What is the probability that a randomly selected vitamin will contain at least 110 grams of pyridoxine?
0
0.5
0.66
1
14
The 3 weeks moving average of the data below are…
408, 397, 404
1224, 1191, 1212
404, 397, 408
1224, 1212, 1191
15
If
X
has a binomial distribution with
n
= 5 and
p
= 0.1, then
P
(
X
= 2) =
0.0729
0.0010
0.0081
0.0000
