Tuesday
May 21, 2013

# Posts by josephine

Total # Posts: 47

statistics
You asked ten of your classmates about their weight. On the basis of this information, you stated that the average weight of all students in your university or college is 145 pounds . this is an example of?

Samples of 12-volt batteries are taken at 30-minute intervals during a production run. Each sample consists of three batteries, and a technician records how long each battery will produce 400 amperes during a standard test. Given the following data, also listed in file XR20042...

Minutes Sample Battery Battery Battery \$ e 1 2 3 13.3 1 13.3 9.4 12.1 9.4 2 12.2 13.4 8.5 12.1 3 11.2 8.2 9.2 12.2 4 7.8 9.7 10.0 13.4 5 10.1 11.4 13.8 8.5 6 9.9 11.7 8.5 11.2 8.2 Thank you drwls (this is the second part of the exercise)

Please can you give me the step to do this exercise? Thank you Samples of 12-volt batteries are taken at 30-minute intervals during a production run. Each sample consists of 3 batteries, and a technician records how long each battery will produce 400 amperes during a standard ...

In response to media inquiries and concerns expressed by groups opposed to violence, the president of a university with over 25,000 students has agreed to survey a simply random sample of her students to find out whether the student body thinks the school’s “Plunderi...

the following data values are a simple random sample form a population that is normally distributed, with ²= 25.0: 47,33,42,34, and 41. Construct and interpret the 95% and 99% confidence intervals for the population mean.

Statistics
) Laura McCarthy, the owner of Riverside Bakery, has been approached by insurance underwriters trying to convince her to purchase flood insurance. According to local meteorologists, there is a 0.01 probability that the river will flood next year. Riverside’s profits for t...

Statisticssd
The following contingency of frequencies is based on a 5-year study of fire fatalities in Maryland. For purposes of clarity, columns and rows are identified by the letters A-C and D-G, respectively. Blood Alcohol Level of Victim A B C Age 0.00% 0.01-0.09% ¡Ý0.10% ...

Statistics
The regional manager in Exercise 6.10 plans to evaluate the speed of services at five local franchises of the restaurant. For the fives serves, determine the probability that a. None will receive a movie coupon b. two of the five will receive a coupon c. three of the five will...

college
A contractor must pay a \$40,000 penalty if construction of an expense home requires more than 16 weeks. He will receive a bonus of \$10,000 if the home is completed within 8 weeks. Based on experience with this type of project, the contractor feels there is a 0.2 chance the hom...

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