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Is there a relationship between gender and the type of car driven? A random sample of 1000 adults was obtained. The subjects sampled were asked their gender and what type of car they drive given choices: car, truck, or SUV. Of the females sampled, 210 drive a car, 110 drive a truck, and 180 drive an SUV. Of the males sampled, 175 drive a car, 140 drive a truck, and 185 drive a SUV. At the 5% Significance level, what conclusion can be reached? Would your decision change at the 2.5% Significance level?
a wildlife study has found that a wolf pack is successful in killing one large animal for every 12 that it chases.a
question during may a certain drawbrige over the intercoastal waterway is raised every half hour to allow boats to
Your financial advisor sees this and tells you there is a 100% chance XYZ stock will gain over the 2-month period. Would you continue to use this financial advisor? Explain.
Assume the wages are normally distributed with a standard deviation of $0.45. If a worker at this car wash is selected at random, what is the probability that the worker earns more than $6.75?
Five homes were recently sold in Oxnard Acres. Four of the homes sold for $400,000 while the fifth home sold for $2.5 million. Which measure of central tendency best represents a typical home price in Oxnard Acres?
The Internal Revenue Service plans to examine an SRS of individual federal income tax returns from each state. One variable of interest is the proportion of returns claiming itemized deductions.
In this group four were African American, 6 were hispanic, and one was Asian. Was this a good sample on which to norm this test? why or why not? What are your suggestions?
problem 1ab21383332405637582245254639572849344325412755a marketing specialist is assessing the effectiveness of two
a researcher wishes to estimate the proportion of college students who cheat on exams. a poll of 490 college students
To increase membership. Determine the probability of all three selected are CPAs? Illustrate the proper way to compute probabilty?
A total of 61,647 people responded to an Elle/ MSNBC.com survey. It was reported that 50% of the respondents were women and 50% men.
Egyptians watch an average of 2.5 hours of television per person per day. If the standard deviation for the number of hours of television watched per day is 1.6 and a random sample of 225 Egyptians is selected, the mean of this sample belongs to a..
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