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According to one study, it has been claimed that 65% of all single men in Montreal would welcome a woman taking the initiative in asking for a date. You decide to challenge this study by performing a little experiment of your own. You randomly select 15 single men from around Montreal and ask them if they would be comfortable with a woman asking them out for a date. If the claim made by the study was true, what is the probability that:
a) Exactly 9 men would say yes?b) Exactly 6 men would say no?c) More than 11 men would say yes?d) At most 4 men would say no?
A GSS asked. "What do you think is the ideal number of children for a family to have? the 497 female who responded had a median of 2, mean of 3.02 and standard deviation of 1.81 (a) Report the point estimate of the population mean.
The manager of a local gymnasium has determined that the length of time patron spend at the gymnasium is normal distributed with mean 80minutes and standard deviation 20 minutes. What is the patrons who spend more than 120 minutes at the gymnasium..
The mean television viewing time for Americans is 15 hours per week (Money, November 2003). Suppose a sample of 40 Americans is taken to further investigate viewing habits.
Can you envision circumstances under which these outcomes would not be normally distributed? Provide three distinct examples of the business outcomes that are not normally distributed.
Can I get some help for me to understand what is the difference between an equation and an expression? Can you solve for a variable in an expression? Could you explain.
Is there a more efficient way to design the experiment to answer the same question? In other words, is there a better way to make use of this data?
Why can not we just do several two sample tests like we did in the last week. In your own words explain briefly also tell us what these are and what did it mean.
In a poll of 1049 adults, it was found that 21% smoked cigarettes in teh past week. Use a 0.05 significance level to test the claim that less than 25% of adults have smoked within the past week.
How many participants would be required to ensure that a 95% confidence interval for the mean difference in the number of drinks is within two drinks of the true mean? Assumed that the standard deviation of the difference in the mean number of dri..
Provide an example of a situation from your personal or professional experience where an two-sample test of hypothesis of dependent samples would be useful in a decision-making process.
Recognize the midpoint of the first class. Recognize the class boundaries of the first class.
What must be checked in order to compare two population means when you do not know the values of the population standard deviation? Which one?
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