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Use the Normal model ?N(104?,20?) for the IQs of sample participants.
?a) What IQ represents the 24th ?percentile?
?b) What IQ represents the 94th ?percentile?
?c) What's the IQR of the? IQs?
HI6007 Do a frequency table, histogram, normal Q - Q and the de-trended normal Q-Q for each one of the 11 variables - Do descriptive statistics (mean, standard deviation, minimum, maximum) for each one of the 11 variables.
the population proportion is .30. what is the probability that a sample proportion will be within .04 of the
If you were asked to lend money to your cousin's clothing store to help her through a slow sales period, would you be more interested in looking at the current ratio or the quick ratio as a measure of liquidity? Why?
The statistics showed that students studied an average of 20 hours per week with a standard deviation of 10 hours. What is the probability that a sample mean would exceed 20 hours per week?
The most probable number of heads in two coin flips is one head. Can you think of most probable values of random events
Provide free: fax assistance for the residents of this city, use the binomial approximation to the hyper geometric to find the probability that at least 3 women arc selected.
To complete this Assignment, calculations of the following measures of central tendency and variability using the data set provided. Include an explanation of how you calculated each measure and what information each measure gives you about the di..
A local church parish wants to raise money to add to their campus. In a sample from a previous fund raising campaign, the parish found that of the 137 people
Probability of a person being blood type b is 13%. What is the probability that 4 unrelated people in random selection will all be type b?
suppose the monthly income of assistant managers of our local banks are normally distributed with mean of php40000 and
Construct a 99% confidence interval for the population proportion of employed individuals who work at home at least once per week.
Using the Hi-Definition Televisions what is the probability of randomly selecting one TV with a price of over $2500
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