Question
In: Statistics and Probability
1. The time need to complete a final examination in a college course is normally distributed...
1. The time need to complete a final examination in a college course is normally distributed with a mean of 80 minutes and a standard deviation of 10 minutes. a. What is the probability of completing the exam in less than 60 minutes? b. What is the probability of completing the exam in less than 95 minutes? c. What is the probability of completing the exam in more than 75 minutes? d. What is the probability of completing the exam within 60 to 75 minutes? e. 35% of students complete the exam in less than what time? f. 95% of students complete the exam in less than what time? g. 10% of students complete the exam in more than what time?
Solutions
orchestra answered 2 years agoRelated Solutions
1. The time need to complete a final examination in a college course is normally distributed...
1. The time need to complete a final examination in a
college course is normally distributed with a mean of 80 minutes
and a standard deviation of 10 minutes.
What is the probability of completing the exam in less
than 60 minutes?
What is the probability of completing the exam in less
than 95 minutes?
What is the probability of completing the exam in more
than 75 minutes?
What is the probability of completing the exam within
60 to 75...
1. The time need to complete a final examination in a college course is normally distributed...
1. The time need to complete a final examination in a
college course is normally distributed with a mean of 80 minutes
and a standard deviation of 10 minutes.
What is the probability of completing the exam in less
than 60 minutes?
What is the probability of completing the exam in less
than 95 minutes?
What is the probability of completing the exam in more
than 75 minutes?
What is the probability of completing the exam within
60 to 75...
The time needed to complete a final examination in a particular college course is normally distributed...
The time needed to complete a final examination in a particular
college course is normally distributed with a mean of 83 minutes
and a standard deviation of 13 minutes. Answer the following
questions.
a. What is the probability of completing the exam
in one hour or less (to 4 decimals)?
b. What is the probability that a student will
complete the exam in more than 60 minutes but less than 75 minutes
(to 4 decimals)?
c. Assume that the class...
The time needed to complete a final examination in a particular college course is normally distributed...
The time needed to complete a final examination in a particular
college course is normally distributed with a mean of 83 minutes
and a standard deviation of 13 minutes. Answer the following
questions. Round the intermediate calculations for z value to 2
decimal places. Use Table 1 in Appendix B. What is the probability
of completing the exam in one hour or less (to 4 decimals)? What is
the probability that a student will complete the exam in more than...
The time needed to complete a final examination in a particular college course is normally distributed...
The time needed to complete a final examination in a particular
college course is normally distributed with a mean of 79 minutes
and a standard deviation of 8 minutes. Answer the following
questions. Round the intermediate calculations for z value
to 2 decimal places.
What is the probability of completing the exam in one hour or
less (to 4 decimals)?
What is the probability that a student will complete the exam
in more than 60 minutes but less than 75...
The time needed to complete a final examination in a particular college course is normally distributed...
The time needed to complete a final examination in a particular
college course is normally distributed with a mean of 100 minutes
and a standard deviation of 20 minutes. Answer the following
questions.
(a) What is the probability of completing the exam in one hour
or less?
(b) What is the probability that a student will complete the
exam in more than 60 minutes but less than 75 minutes?
(c) Assume that the class has 90 students and that the...
The time needed to complete a final examination in a particular college course is normally distributed...
The time needed to complete a final examination in a particular
college course is normally distributed with a mean of 100 minutes
and a standard deviation of 20 minutes. Answer the following
questions.
(a)What is the probability of completing the exam in one hour or
less?
(b) What is the probability that a student will complete the
exam in more than 60 minutes but less than 75 minutes?
(c) Assume that the class has 90 students and that the
examination...
The time needed to complete a final examination in a particular college course is normally distributed with a mean of 80 minutes and a standard deviation of 10 minutes. Answer the following questions.
The time needed to complete a final examination in a particular college course is normally distributed with a mean of 80 minutes and a standard deviation of 10 minutes. Answer the following questions.
(a)
What is the probability of completing the exam in one hour or less? (Round your answer to four decimal places.)
(b)
What is the probability that a student will complete the exam in more than 60 minutes but less than 75 minutes? (Round your answer...
A set of final examination grades in an introductory statistics course is normally distributed, with a...
A set of final examination grades in an introductory statistics
course is normally distributed, with a mean of 7 and a standard
deviation of 9.
What is the probability that a student scored between 66 and
99?
The time needed to complete a final t3st in a particular college course used to be...
The time needed to complete a final t3st in a particular
college course used to be with a mean of 80 minutes and a standard
deviation of 10 minutes.
a. What is the probability of completing the 3xam in one hour or
less?
b. What is the probability that a student will complete the 3xam in
more than 60 minutes but less than 75 minutes?
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