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Jessica Stokes
Math Question;A recent study showed that the average life expectancy of a male living in New Zealand is 72.4 y?
A recent study showed that the average life expectancy of a male living in New Zealand is 72.4 years with a standard deviation of 7.8 years. If a New Zealand male is selected at random, what is the probability that he will live longer than 75 years?
A) 98.7%
B) 94.4%
C) 82.9%
D) 62.1%
E) 36.9%
F) 21.6%
G) none of these
2 AnswersHomework Help1 decade agoCity Council wanted to determine whether there was a difference in the number of traffic citations issued eac?
A City Council wanted to determine whether there was a difference in the number of traffic citations issued each day. The following data were gathered. Check the data for evidence that the number of citations is equally distributed throughout the week. For this data, what is the test value?
Monday: 125
Tuesday: 140
Wednesday: 130
Thursday: 125
Friday: 200
Saturday: 225
Sunday: 210
Question 17 options:
A) 63.714
B) 63.939
C) 68.065
D) 72.121
E) 76.765
F) none of these
1 AnswerHomework Help1 decade agoIf the correlation coefficient is 0.79, what is the explained variation?
If the correlation coefficient is 0.79, what is the explained variation?
3 AnswersHomework Help1 decade agoUsing the standard normal distribution, what is P(-8 < z < 8?
Using the standard normal distribution, what is P(-8 < z < 8
2 AnswersHomework Help1 decade agoIn a scientific study there are 10 mice, 4 of which are pregnant. If three mice are selected at random, withou?
In a scientific study there are 10 mice, 4 of which are pregnant. If three mice are selected at random, without replacement, what is the probability that all are pregnant?
4 AnswersHomework Help1 decade agoStatistics homework help?
At a communitiy swimming pool there are 2 manages, 8 lifeguards, 3 concession stand clerks, and 2 maintance people. If a person is selected at random, find the probability that the person iseither a lifeguard or a manager.
1 AnswerHomework Help1 decade agoThe average score of the students in one calculus class is 110, with a standard deviation of 5 the average?
The average score of the students in one calculus class is 110, with a standard deviation of 5; the average score of students in a statistics class 106, with a standard deviation of 4. Which class is more Variable in terms of scores?
2 AnswersMathematics1 decade ago