Worksheets4.1 Statistics and Probability Practice Test
Total questions: 16
Worksheet time: 8mins
In probability, an activity with observable results is known as a(n)
infomercials
experiment
sample space
logic
Probability is expressed as a number between ___________
1 and 20
0 and 10
1 and 2
0 and 1
Probability is ...
inclusive
exclusive
A given individual subset of the sample space is known as a(n) _____________.
Activity
Reception
Event
Showroom
What is a histogram graph?
historical measurement
ancient ruins
scatter plots
frequency distribution graph
The data value that separates the higher half of assorted dat array from the lower half is known as the...
Mean
Median
Mode
Range
The square root of the variance of a collection of data is known as the ...
2nd power
Standard Deviation
Frequency Distribution
Data Collection Plot
Define the sample space for tossing a coin 2 times.
TT HH HT
HH TT HT TH
HT
Heads and Tails
You tossed a coin two times. What is the probability of tossing a coin two times and having it land heads up once of the two tosses?
(from previous toss: HT TH TT HH)
25%
50%
60%
75%
What is the probability of rolling a 2 or 6 on a single die? (dice have 6 numbers/sides)
0%
33.3%
66%
97%
Two cards are dealt from a shuffled deck of 52 playing cards. What is the probability the first card is a jack, and the second card is the 5 of diamonds? (for reference - there are 4 jacks in a deck)
0.25%
0.50%
0.151%
0.0005%
32 gigabite USB flash drives from three different vendors are sold by your company. Sell provides 38%, Village provides 27%, and Ripoff provides the rest. A recent random sampling of product from all three vendors finds that 2.1 % of Sell products, 1.5 % of Village products, and 0.8% of Ripoff products are defective. What is the probability that a given defective flash drive is from Sell?
27%
54%
19%
100%
What is the MEAN for the following list of values: 1,3,3,5,6,8,10,11,11,11,13,19,19
4.5
7.8
9.2
10
What is the Median for the following list of values: 1,3,3,5,6,8,10,11,11,11,13,19,19
4.5
7.8
8.4
10
What is the MODE for the following list of values: 1,3,3,5,6,8,10,11,11,11,13,19,19
3
10
11
13
If the Standard Deviation of two collections of data is 1.5 and 6.3 units respectively, what does that tell you about the first data collection compared to the second?
The data in the first collection are closer together from the average
The data in the first collection are more spread out from the average
Not enough information is given
