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!
One day, you notice your 6' 2" roommate's size 12 shoes and comment, "I think height and foot size are correlated". You're somewhat surprised (and irked) by his response, "I think short people have big mouths." You decide to test your hypothesis; you find five people and record their heights (in inches) and shoe sizes. Calculate a Pearson r based on the following data:
Person Shoe Size Height
1 12 74
2 8 62
3 10 73
4 9 64
5 9½ 65
I want to establish if a new product is worth marketing. At least 85 percent of the public must express interest in the product and for those that do the average cost they are willing to pay must be at least $47.50.
What is the probability that a randomly selected tire will have a life of at least 30,000 miles?
How much do typical employee and his or her family spends per year on dental expenses? Sample of 45 employee reveals mean amount spend last year was $1,820, with standard deviation of $ 660.
Determine the probability mass function of the salesperson's November sales (in $). What is the probabiity that his sales for November will be less than 100k? Find the mean and standard deviation of the November sales.
Stores A, B, and C, have 50, 75, and 100 employees and respectively 50%, 60%, and 70% if these employees are women. Resignations are equally likely among all employees regardless of sex. One employee resigns and she is a woman. What is the probabi..
Be certain to mention the direction of the relationship, the strength of the relationship, and whether our findings are statistically significant
What is the relationship between confidence intervals and hypothesis testing? How are they the same? How are they different?
A Tamiami shearing machine is producing 10 percent defective pieces, which is abnormally high. The quality control engineer has been checking the output by almost continuous sampling since the abnormal condition began.
Household income does not tend to follow a normal distribution in a particular state, yet average income is approximately $45,000/year in this state, with a standard deviation of about $9000.
The number of hurricanes that are formed during each hurricane season can be modeled using the Poisson probability distribution. History suggests that the average if number of hurricanes formed during a year is 6.0 hurricanes.
An urn contains 8 green balls, 5 red balls, and 7 white balls. How many ways are there to draw a green ball or a red ball?
The mean score for freshman on an aptitude test at a certain college is 800 with a standard deviation of 50. That is the probability that two groups of students selected at random, consisting of 36 and 49 students, respectively, will differ in the..
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