Mean time

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r L. A, AUSTRALIA BUSINESS SCHOOL
MyKBS Academic ∎ My Subjects ■
Ai Home S My Subjects , STAM4000 T1 2023 Assessment 02 – Homework Exercises 2
Question 8
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An electricity provider wants to estimate the mean time it takes for customers to get an electrical fault resolved. The provider took a random sample of 25 customers who had recently reported an electrical fault and found a © Kaplan Business School Pty Ltd. ABN 86 098 181 947. Registered Institute of Higher Education. PRV12094. CRICOS 0.
r L. A, AUSTRALIA BUSINESS SCHOOL
MyKBS Academic ∎ My Subjects ■
Ai Home S My Subjects , STAM4000 T1 2023 Assessment 02 – Homework Exercises 2
Question 8
Not yet answered Marked out of 1.00 y Flag question
An electricity provider wants to estimate the mean time it takes for customers to get an electrical fault resolved. The provider took a random sample of 25 customers who had recently reported an electrical fault and found a mean time of 6.14 hours. Assume the population standard deviation is 0.62 hours. What is the value of the margin of error for a 95% confidence interval? Please give your answer correctly rounded to two decimal places and do NOT give units.
Answer:
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of 6.14 hours. Assume the population standard deviation is 0.62 hours. What is the value of the margin of error for a 95% confidence interval? Please give your answer correctly rounded to two decimal places and do NOT give units.
Answer:
Previous page
Next page
7elearning.kbs.edu.au/mod/quiziattempt.plip?attempt=170343&cmid=354904&page.8#