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The rent for a one-bedroom apartment in Southern California follows the normal distribution with a mean of $2,250 per month and a standard deviation of $290 per month. The distribution of the monthly costs does not follow the normal distribution. In fact, it is positively skewed.
What is the probability of selecting a sample of 45 one-bedroom apartments and finding the mean to be at least $2,130 per month?
The average public elementary school has 450 students. assume the stand deviation of the distribution is 99. if a random sample of 36 public elementary schools is selected, find the probability that the number of students enrolled is between 445 a..
a construction company employs two sales engineers. engineer 1 does the work of estimating cost for 70 of jobs bid by
Share 1 real-world binomial distribution situation and 1 real-world Poisson distribution situation. Be sure to explain why each example is defined as binomial or Poisson.
Find the equation of least -squares line and plot the line on the scatter diagram of part (a)
The probability of a bulb lasting less than 2300 is .1573. The maximum probability of a bulb lasting less than 2300 hours should be only 5%. What must change specifically? How would that change be obtained practically?
Given route measured in terms of passengers carried (range is 0.1 to 1). Regress lfare on dist, passen and concen, and provide the heteroskedasticity-robust standard errors.
the lifetimes in miles of a certain brand of automobile tires is a normally distributed random variable x with a mean
in order to receive a merit raise a computer clerk must average 15 minutes or less per order form processed. an
Otherwise you lose $1. If you make this wager very many times, what will be the mean outcome?
the U.S. economic system will be able to rebound following the recession of 2009-2010. Create a scale of each of the following types:Constant-sum scale and Likert-type summated scale.
The management of discount furniture, a chain of discount furniture stores in the northeast, designed an incentive plan for salespeople. To evaluate this innovative plan, 12 Salespeople were selected at random
What are examples in which regression analysis is used for forecasting? What are some primary and secondary sources of data that may be used in correlation and regression analysis?
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