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!
Question 1 - Track students were timed in the 100 yard dash. It was found that their times were normally distributed with a mean of 15 seconds and a population standard deviation of 2 seconds. Eighty percent of track students can complete the 100yard dash in less than what time?
1.
16.58
2.
.8416
3.
16.68
4.
13.32
.4404
.5596
.0668
.9332
Question 3 - It is estimated that the number of text messages sent daily by a high school student is normally distributed with a mean of 200 and a population standard deviation of 50. What is the probability that a randomly chosen student sent less than 210 text messages that day?
.5793
.4207
.7963
Question 4 - It is estimated that the number of text messages sent daily by a high school student is normally distributed with a mean of 200 and a population standard deviation of 50. The top ten percent send at least how many text messages?
264.078
135.922
155.492
239.543
What is the 95% confidence interval for the mean number of microwaves sold at retail store in the chain last week?
karen wants to advertise how many chocolate chips are in each big chip cookie at her bakery. she randomly selects a
Determine fraction of employees cost between $1,500 and $2,000 per year?
A standard IQ test has mean of 98 and a standard deviation of 16. We want to be 99% certain that we are 8 IQ points of the true mean. Determine the sample size.
If not what would be a better testing strategy? Could you form a Null Hypothesis or an Alternative Hypothesis? If yes, what would they be.
What is the relationship between a confidence interval and a single sample, two-tailed hypothesis test? How are they the same? How are they different?
How many ways can this happen if one person will win a new pencil, another will win a trip to McDonalds, another will win a weekend in Chicago, and the final prize is an automatic 4.0 in Math class.
What is the probability that a simple random sample of 40 male graduates will provide a sample mean within $10,000 of the population mean, $168,000 (to 4 decimals)?
three identical chips each with 0 on one side and 1 on the other are to be tossed simultaneously.a. writes the sample
Compute sample mean. Assume that desirable value for this solution has been specified to be 65.0 grams per liter. Compute sample variance and sample standard deviation.
health service managers say that doctors should not spend more than 2 hours a day doing paperwork. a sample of 40
The following data summarize the comments of these individuals about the shampoo as well as provide the age group into which they fall and use the 5 percent level of significance, these data prove that different age groups have different opinions a..
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