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experts claim that 10% of murders are committed by women. is there enough evidence to reject the claim if in a sample of 67 murders, 10 of them were committed by women? use a significance level of .01
Statistics and Probability, Statistics
In 4-5 paragraphs describe gender roles (how they were influenced/changed) though out middle ages (with specific examples of people, years etc.)
1. A researcher has developed the hypothesis that teenagers are better able to learn about and remember technological information than are older adults, whereas older adults are better able to remember information about ...
The annual commissions earned by sales representatives of Machine Products, Inc. a manufacturer of light machinery, follow the normal probability distribution. The mean yearly amount earned is $40,000 and the standard d ...
Name and explain the contributions of three Abolitionists that supported and helped African Americans before the Civil War fight slavery?
An individual wanted to determine the relation that might exist between speed and miles per gallon of an automobile. Let X be the average speed of a car on the highway measured in miles per hour and let Y represent the m ...
The mean incubation time for a type of fertilized egg kept at 100.7° F is 22days. Suppose that the incubation times are approximately normally distributed with a standard deviation of 2 days. (a) The probability that a r ...
A teacher wants to estimate the average pa of all teachers in a district. She wants to be 95% sure her estimate is correct. The standard deviation is $1,000, how large must her sample be to be accurate within $200? Pleas ...
There are 1000 students in a high school. Among the 1000 students, 150 students take AP Statistics, and 300 students take AP French. 100 students take both AP courses. Let S be the event that a randomly selected student ...
Q1. A total 225 people were asked to report their hourly wages. The mean of the sample was 28 and it is known that the population standard deviation is 12 a) Find the 95% confidence interval for the mean. b) Find the 90% ...
1. Distinguish between a quota sample and a purposive sample. 2. What three criteria characterize good descriptions of data?
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Describe what you learned about the impact of economic, social, and demographic trends affecting the US labor environmen
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