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The rent for a one-bedroom apartment in Southern California follows the normal distribution with a mean of $2,075 per month and a standard deviation of $300 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 55 one-bedroom apartments and finding the mean to be at least $1,985 per month?
The average American male wears a size 10 shoe and spends 4 hours a year tying a tie. The average American female college student owns 3.5 pairs of jeans.
mean is 100 and sd is 16. doug has an iq of 76. what proportion of people have a higher iq than
Statistical Hypothesis testing - Frequency distribution
What value is standard deviation for this data? What type of probability is this?
Calculate the 95% confidence maximum error of estimate for a binomial experiment of 1027 trials that result in an observed proportion of .47.
I have two contingency tables. One has a chi-square value of 14.40 and the other is 27.86. Both have 6 degrees of freedom. Based on an alpha of .01 do you reject the null hypothesis?
perform linear regression analysis to obtain an equation to predict age at death given a specific cholesterol level.
Is the proportion of men who felt that division of housework was fair greater than the proportion of women who felt the division of housework was fair? Use alpha = .05 for the test.
a coin is flipped until 3 heads in succession occur. list only those elements of the sample space that require 6 or
create a game of chance using a coin dice or a standard deck of cards. choose how to play the game and determine at
given xn02 where ?2 what is the 25th percentile of this distribution?a -0.67b0.67c -1.34d 1.34e none of the
At the end of class, our teacher said "If you're perceptive, you may have noticed that a regression analysis produced by the Excel Data Analysis ToolPak contains an ANOVA table.
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