Mathematics, 05.07.2020 01:01 rhiannonweik2000
A random sample of 50 batteries is selected and subjected to a life test. We found the following life time, in hours: 3.64 3.77 3.92 3.98 4.01 4.04 4.08 4.12 4.2 4.38 3.67 3.82 3.92 3.99 4.02 4.04 4.09 4.15 4.2 4.4 3.73 3.84 3.95 3.99 4.02 4.05 4.1 4.16 4.25 4.44 3.75 3.87 3.95 3.99 4.03Required:a. Design a test to support the claim that the mean battery life exceeds 4 hours, with a level of significance of α = 0.05. b. What is the null distribution? c. What is the acceptance region and the P-value? d. Is there enough evidence to support the claim? e. Construct, from the sample, a one-sided (lower bound) confidence interval for the mean μ. Compare your results with the claim.
Answers: 1
Other questions on the subject: Mathematics
Mathematics, 21.06.2019 17:30, astultz309459
Apublic library wants to place 4 magazines and 9 books on each display shelf. the expression 4s+9s represents the total number of items that will be displayed on s shelves. simplify the expression
Answers: 2
Mathematics, 21.06.2019 18:00, gyexisromero10
The estimated number of people to attend the last bengals game of the season was 2000. the actual number of fans attending was 1200. by what percent did the estimate differ from the actual?
Answers: 3
Mathematics, 21.06.2019 22:00, fatherbamboo
Worth 100 points need the answers asap first row -x^2 2x^2 (x/2)^2 x^2 x is less than 2 x is greater than 2 x is less than or equal to 2 x is greater than or equal to 2 second row -5 -5/2 4 5 •2 is less than x& x is less than 4 •2 is less than or equal to x & x is less than or equal to 4 •2 is less than or equal to x& x is less than 4 •2 is less than x& x is less than or equal to 4
Answers: 2
You know the right answer?
A random sample of 50 batteries is selected and subjected to a life test. We found the following lif...
Questions in other subjects:
Chemistry, 01.10.2019 22:00
Business, 01.10.2019 22:00
