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!
In December of 1999, a research team at Ohio State University reported that the median allowance for U.S. teenagers is $50 per week, with a coefficient of skewness (as calculated in class) of 0.762. While some teenagers received no allowance, others reported receiving $200 per week. Based on this information, the mean allowance for U.S. teenagers is most likely
a. 0 $50b. 0 less than $50c. 0 more than $50d. 0 impossible to determine without more information.
Replacement times for TV sets are normally distributed with a mean of 8.2 years and a standard deviation of 1.1 years. Find the probability that a randomly selected TV will have a replacement time less than 5 years.
The Water Authority informs Margaret that for a special fee of $6,000 this year, her farm will qualify for an additional allotment of 600 acre-feet of water. How should she respond?
According to an internet posting, 80% of adults enjoy drinking beer. Choose a group of 3 adults at random. The probability that none of them enjoy drinking beer is:
A person has purchased 5 of 1,000 tickets sold in a certain raffle. To determine the 10 prizewinners, 10 tickets are drawn at random and without replacement. compute the probability that he wins at least one prize.
What is the required sample size if you need to estimate the number of workers in the United States who are highly satisfied with their job and you want the estimate to be within 2 percentage points of a 96% confidence interval.
Bring to mind a research question that interests you, or a current event that utilizes statistics to present results, that you can use as an example for this discussion. State the research question or the current event and results.
You are given the choice of three doors. Behind one is a new car and the others hide a barnyard animal for you to keep. After you choose door number one, your host (Monty) opens door three to reveal a goat.
Over the last year the absentee rate at a large corporation averaged 8.2 days absent with a standard deviation of 6 days. One department with 40 employees had an absentee rate of 12 days per employee.
In a random sample of 10 adults from a nearby county, the mean waste generated per person per day was 4.35 pounds and the standard deviation was 1.88 pounds.
In a sample of 210 men, 35 prefer sugar free soft drinks. In a sample of 220 women, 42 prefer sugar free soft drinks. Using a significance level of 0.05, test whether women prefer sugar free drinks more than men. Calculate the p-value.
The sample mean price is computed from the prices at these gas stations. What is the probability that the sample mean price falls within a nickel of the State's overall mean price? i.e between 3.09 and 3.19.
One characteristic of billiard balls is their elasticity - the bounce they get when striking one another. A manufacturer of billiard balls is testing three additives to the basic plastic.
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