# MA260 Assignment 07 Statistical Analysis I & Assignment 06 Statistical Analysis I

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ASSIGNMENT 07

MA260 Statistical Analysis I

Directions: Be sure to make an electronic copy of your answer before submitting it to Ashworth College for grading. Unless otherwise stated, answer in complete sentences, and be sure to use correct English spelling and grammar. Sources must be cited in APA format. Your response should be a minimum of one (1) single-spaced page to a maximum of two (2) pages in length; refer to the "Assignment Format" page for specific format requirements.

NOTE: Show your work in the problems.

1. Sun Times reported that the mean labor cost to repair a color television is \$90 with a standard deviation of \$22. Monte s TV Sales and Service completed repairs on two sets this morning. The labor cost for the first was \$75 and it was \$100 for the second. Compute z values for each and comment on your findings.

1. Challenger was 1 in 35. The Challengerflight was the 25th mission.

This is the end of Assignment 07.

MA260 Statistical Analysis I

Directions: Be sure to make an electronic copy of your answer before submitting it to Ashworth College for grading. Unless otherwise stated, answer in complete sentences, and be sure to use correct English spelling and grammar. Sources must be cited in APA format. Your response should be a minimum of one (1) single-spaced page to a maximum of two (2) pages in length; refer to the "Assignment Format" page for specific format requirements.

NOTE: Show your work in the problems.

 x P(x) 2 .50 8 .30 10 .20

1. Wall Street Journal, this theory held for 29 out of the last 34 years. Suppose there is no truth to this theory. What is the probability this could occur by chance?

This is the end of Assignment 06.

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