Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
Tim gets 15 emails on average per day (i.e. per 24 hours). Emails arrive randomly and independently.
a) What is probability that Tim gets exactly 12 emails on a particular day?
b) Find the probability that he gets at least 3 emails on a particular day?
c) What is the standard deviation of the number of emails that Tim gets in one day?
d) In one hour, given that Tim received at least one email, what is the probability that he received less than 3 emails (in that same hour)?
e) What is the probability that Tim gets 4 emails between 2:00 pm and 5:00 pm and then 2 emails between 6:00 pm and 8:00 pm in the same day?
f) What is the expected number of emails that Tim gets in a week?
a tube of listerine tartar control toothpaste contains 4.2 ounces. as people use the toothpaste the amount remaining in
Suppose 10 balls, numbered 1-10, are to be distributed randomly into 10 boxes. a) What is the probability all 10 balls are placed into one box? b) What is the probability that no boxes are empty?
the following data represent the costs in dollars of a sample of 30 postal mailings by a
a car company made a change to their fuel injection system that may improve gas mileage. to determine if this was the
What is the probability that a single randomly sampled battery of this type lasts longer than 100 minutes. Does this suggest that a charge-life exceeding 100 minutes would be unusual?
Fred, on the other hand, has opted to administer to his cat, Heisenberg, Dr. Zelinski's Is Your Cat Smarter Than This Rock?
the computer chips in notebook and laptop computers are produced from semiconductor wafers. certain semiconductor
Find the pdf of X+Y - Two independent uniform random variables
What proportion of 330 cci cars fall between 26 to 30 miles per gallon range? Compute the percentage of each of the car models that get 30 or more mpg.
In a surgey of 280 adults over 50.80%; said they were taking vitamin supplements. Find the margin of error for this survey if we want a 99% confidence in our estimate of the percent of adults over 50 who take vitamin supplements.
the lifetime of a randomly chosen battery in a certain application is modeled by a normal distribution with mean micro
30 said that they planned to work in a rural community. Find a 95% confidence interval for the true proportion of all medical students who plan to work in a rural community.
Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!
whatsapp: +1-415-670-9521
Phone: +1-415-670-9521
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd