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Does choosing a 4-digit PIN involve a combination or permutation?
7.2
yes
permutation
-2.5
1.5
5040
11-23
no
A set of data with a mean of 17 and standard deviation of 2 is normally distributed. What two values do 99.7% of the data lie between?
7.2
yes
permutation
-2.5
1.5
5040
11-23
no
A set of data with a mean of 17 and standard deviation of 2 is normally distributed. Find the z-score for 12.
7.2
yes
permutation
-2.5
1.5
5040
11-23
no
Let X = number of die rolls it takes to roll a 6. Is X a geometric variable?
7.2
yes
permutation
-2.5
1.5
5040
11-23
no
How many different ways can you choose a 4-digit PIN?
7.2
yes
permutation
-2.5
1.5
5040
11-23
no
A set of data with a mean of 17 and standard deviation of 2 is normally distributed. Find the z-score for 20.
7.2
yes
permutation
-2.5
1.5
5040
11-23
no
Let X = number of die rolls it takes to roll a 6. Is X a binomial variable?
7.2
yes
permutation
-2.5
1.5
5040
11-23
no
Find the mean: 3, 5, 6, 11, 11
7.2
yes
permutation
-2.5
1.5
5040
11-23
no
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