Mean Standard Deviation Binomial Distribution
Quiz
•
Mathematics
•
11th - 12th Grade
•
Practice Problem
•
Hard
Barbara White
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20 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Find the mean of the binomial distribution for which n = 40 and p = 0.2.
20
40
2.53
8
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Find the variance of the binomial distribution for which n =800 and p= 0.87
90.48
696
9.51
32.54
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Find the standard deviation of the binomial distribution for which n=1000 and p= 0.94.
56.7
6.31
940
7.51
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
A test consists of 700 true or false questions. If the student guesses on each question, what is the mean number of correct answers?
350
0
140
700
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
A test consists of 800 true or false questions. If the student guesses on each question, what is the standard deviation of the number of correct answers?
14.14
32.42
400
199.94
6.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
In one city,24% of adults smoke. In groups of size 130 of adults, what is the variance of the number that smoke ?
31.2
11.86
23.71
4.87
7.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
A test consists of 100 multiple choice questions, each with five possible answers, only one of which is correct. Find the standard deviation of the number of correct answers.
4.47
4
7.07
16
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