Monday

September 22, 2014

September 22, 2014

Posted by **peter** on Thursday, May 12, 2011 at 4:40pm.

2.045 minutes.

1 Choose the option that is closest to the probability that the mean time taken to run 1000 metres for a sample of 30 users will be more than 8 minutes.

Options for Question 1

A 0.0160 B 0.2000 C 0.2486 D 0.8003 E 0.8030 F 0.8106

2 Choose the option that gives an approximate range of values,in minutes, symmetric about the mean, within which the meantime taken to run 1000 metres for approximately 95% of samples of 30 users will lie.

Options for Question 2

A (6.584, 7.816) B (6.469, 7.931) C (3.192, 11.208) D (6.640, 7.760) E (7.066, 7.334) F (4.088, 11.312)

**Answer this Question**

**Related Questions**

maths - The distribution of the time taken to run 1000 metres by users of a ...

maths - The distribution of the time taken to run 1000 metres by users of a ...

probability - suppose that the times taken to complete an online test are ...

statistic - Over the past 10 years, the local school district has measured ...

statisticss - The time taken by a man to deliver milk is normally distributed ...

DBU - The mean time to complete a psychology exam is 34 minutes with a standard ...

statistics - According to the Census Bureau's 2002 American Community Survey, ...

statistics - According to the Census Bureau's 2002 American Community Survey, ...

Operations management - An appliance manufacturer wants to contract with a ...

statistics - a study of the time spent shopping in a supermarket for a market ...