Question
In: Statistics and Probability
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? |
Solutions
orchestra answered 1 year agoRelated Solutions
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...
Assume that the time needed to complete a midterm exam for a particular course is normally...
Assume that the time needed to complete a midterm exam
for a particular course is normally distributed with a mean of 90
minutes and a standard deviation of 15 minutes.
5- What percentage of the class is expected to complete the exam
within 60 minutes?
6- What percentage of the class is predicted to NOT complete the
exam within 115 minutes?
7- If the time limit is 100 minutes and there are 200 students
in the class, how many of...
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...
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...
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...
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