Reference no: EM13957090
Parallel treatments of a frequency distribution and a probably distribution.
Frequency Distribution
Complete the table below for the following data. (Recall that x is the midpoint of the interval.)
14, 7, 1, 11, 2, 3, 11, 6, 10, 13, 11, 11, 16, 12, 9, 11, 9, 10, 7, 12, 9, 6, 4, 5, 9, 16, 12, 12, 11, 10, 14, 9, 13, 10, 15, 11, 11, 1, 12, 12, 6, 7, 8, 2, 9, 12, 10, 15, 9, 3
Interval x Tally f xf
1-3 2 IIII I 6 12
4-6
7-9
10-12
13-15
16-18
Probability Distribution
A binomial distribution has n = 10 and p = .5. Complete the following table.
x P(x) x P(x)
1 .001
2 .010
3 .044
4 .117
5
6
7
8
9
10
a. Find the mean (or expected value) for each distribution.
b. Find the standard deviation for each distribution.
c. Use the normal approximation of the binomial probability distribution to find the interval that contains 95.44% of that distribution.
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No slang or curse words unless
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Find the standard deviation for each distribution.
: Use the normal approximation of the binomial probability distribution to find the interval that contains 95.44% of that distribution.
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