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According to a recent survey,the salaries of assistant professors have a mean of $40756 and a standard deviation of $6500. Assuming that the salaries of assistant professors follow a normal distribution, find the proportion of assistant professors who earn more than $42000. Round your answer to at least four decimal places.
If 64 students were randomly sampled, the probability that the sample mean of the sampled students exceeds 73.5 minutes is approximately 0.
Suppose a survey item asks someone if something is very important, somewhat important, not very important, or unimportant. This is an example of what level of measurement?
Implantable heart pacemakers contain small circuit boards called substrates. These substrates are assembled, cut to shape, and fired. Some of the substrates will separate, or delaminate, making them useless. The purpose of this experiment was to s..
you have a box with 3 red 4 white and 2 blue balls in it. suppose you take two balls out of a box without replacement
What is the difference between observational and experimental data? What are the properties of a normal distribution
Access www.ftc.gov/sentinel to learn how law enforcement agencies around the world work together to fi ght consumer fraud. Each team should obtain current statistics on one of the top fi ve consumer complaint categories and prepare a report. Are a..
wayne collier designed an experiment to measure the fuel efficiency of his family cat under different tire pressures.
Suppose a consumer group asked 18 consumers to keep a yearly log of their shopping practicesand that the following data represent the number of coupons used by each consumer over theyearly period.81, 68, 70, 100, 94, 47, 66, 70, 82, 110, 105, 60, 21,..
Taking α to be 0.05, what is/are the critical values associated with testing your hypothesis?
a health care facility is interested in monitoring the primary c-section rate. monthly data on the number of c sections
What is the probability that the test will commit a Type II error?
Determinant methods Cramers rule to solve the simultaneous equations and Shade the region satisfying the inequalities.
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