Question
The average time to complete the quiz for all students in the class is uniformly distributed...
The average time to complete the quiz for all students in the class is uniformly distributed between 90 minutes and 150 minutes.
- Define x
- Write the notation for the distribution that defines x. x~
- Find the mean and interpret the results
- Find the probability that a student finishes in less than 95 minutes
- Find the probability that a student takes at least 135 minutes to finish the quiz
Homework Answers
Answer #1
Not the answer you're looking for?
Similar Questions
A) The amount of time it takes students to complete a quiz is uniformly distributed between...
A) The amount of time it takes students to complete a quiz is
uniformly distributed between 35 to 65 minutes. One student is
selected at random. Find the following events: a. The probability
density function (pdf) of amount of time taken for the quiz. b. The probability that the student requires more than 50
minutes to complete the quiz.(1 mark) c. The probability that
completed quiz time is between 45 and 55 minutes. (1 mark) d. The
probability that the...
Time T to complete a quiz in class is uniformly distributed from 7 minutes to 14...
Time T to complete a quiz in class is uniformly distributed from
7 minutes to 14 minutes. (a) Write the pdf and sketch it f(t) =
Graph of pdf f(t) What is the probability that a randomly
selected student takes (b) no more than 9 minutes? (c) between 10
to 14 minutes? (d) Find the mean time µT = (e) Find the variance σ
2 T =
The time it takes students to complete a quiz is Normally distributed with a mean of...
The time it takes students to complete a quiz is Normally
distributed with a mean of 45 minutes and a standard deviation of 4
minutes.
a)What percent of all students take longer than 50 minutes to
complete the quiz? Round your answer to the nearest whole percent.
Don't write the percent symbol in your answer.
b)If you take a sample of 30 students, what is the probability
that the average amount of time needed to complete the quiz for
this...
The time needed to complete a final quiz in a particular college course is normally distributed...
The time needed to complete a final quiz in a particular college
course is normally distributed with a mean of 77 minutes and a
standard deviation of 12 minutes. Answer the following
questions.
a. What is the probability of completing the
quiz in one hour or less (to 4 decimals)?
b. What is the probability that a student will
complete the quiz in more than 60 minutes but less than 75 minutes
(to 4 decimals)?
c. Assume that the class...
3. the time required for a student to complete the exam is uniformly distributed with a...
3. the time required for a student to complete the exam is
uniformly distributed with a minimum time of 85 minutes and a
maximum time of 125 minutes.
Is this an example of discrete or a continuous uniform
probability distribution? Please explain
Please depict this probability distribution in some appropriate
manner
Please determine the probability that a randomly selected
student requires less than 112 minutes to complete the exam. Show
work
Please determine the probability that a randomly selected
student...
The amount of time all students in a very large undergraduate statistics course take to complete...
The amount of time all students in a very large undergraduate
statistics course take to complete an examination is distributed
continuously and normally. The probability a student selected at
random takes at least 55.50 minutes to complete the examination
equals 0.6915. The probability a student selected at random takes
no more than 71.52 minutes to complete the examination equals
0.8997. a. Determine the value for the mean (μ) of the associated
distribution. b. Determine the value for the standard deviation...
The average time it takes a group of students to complete a certain assignment is 36...
The average time it takes a group of students to complete a
certain assignment is 36 minutes. The standard deviation is 4
minutes. Assume the variable is normally distributed. Now find the
probability that if a group of 9 randomly selected students
complete the assignment, the mean time it takes the group will
complete the assignment in less than 33 minutes. Include drawings
in your work. Use Traditional Method for hypothesis testing unless
specified otherwise. Use correct rounding rule for...
The amount of time to complete a physical activity in a PE class is normally distributed...
The amount of time to complete a physical activity in a PE class
is normally distributed with a mean of 37.6 seconds and a standard
deviation of 5.4 seconds. Round answers to 4 decimal places.
a) What is the probability that a randomly chosen student
completes the activity in less than 31.5 seconds?
b) What is the probability that a randomly chosen student
completes the activity in more than 42.5 seconds?
c) What proportion of students take between 33.8 and...
Problem 6 : The time to fly between New York City and Chicago is uniformly distributed...
Problem 6 :
The time to fly between New York City and Chicago is
uniformly distributed with a minimum of 100 minutes and a maximum
of 150 minutes.
1.What is the probability that a flight takes less
than 135 minutes?
A-P(X<135)=0.5
B-P(x<135) = 0.7
C-P(X<135)=0.135
D-P(X<135)=0.15
2.What is the probability that a flight takes less
than 110 minutes?
A-P(x<110) = 0.2
B-P(X<110)=0.1
C-P(X<110)=1.1
D-P(X<110)=0
3.What is the probability that a flight takes more
than 140 minutes?
A-P(x> 140)=0.14
B-P(x> 140)=1.4...
The amount of time to complete a physical activity in a PE class is normally distributed...
The amount of time to complete a physical activity in a PE
class is normally distributed with a mean of 39.4 seconds and a
standard deviation of 5.2 seconds. Round answers to 4 decimal
places.
a) What is the probability that a randomly chosen student
completes the activity in less than 35.3 seconds?
b) What is the probability that a randomly chosen student
completes the activity in more than 46.1 seconds?
c) What proportion of students take between 35.6 and...
ADVERTISEMENT
Need Online Homework Help?
Get Answers For Free
Most questions answered within 1 hours.
ADVERTISEMENT
Active Questions
asked 51 seconds ago
asked 3 minutes ago
asked 6 minutes ago
asked 13 minutes ago
asked 27 minutes ago
asked 35 minutes ago
asked 41 minutes ago
asked 43 minutes ago
asked 56 minutes ago
asked 1 hour ago
asked 1 hour ago
asked 1 hour ago