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A statistician determines the amount of daily pocket money to give to his son by flipping 5 quarters, and giving the quarters which turn up heads.
a) What is the mean amount of daily pocket money his son receives? Enter the result in cents to 2 places after the decimal, without the units, i.e. xx.xx
b) What is the standard deviation of the amount of daily pocket money his son receives? Enter the result in cents to 2 places after the decimal, without units.
lets say a publisher makes one typo per 1000 pages. without using the formula or calculating any numerical answers
Find a 95% confidence interval for the mean dielectric strength of the oil.
you have a 20 sided die that you roll an infinite number of times.what is the probability of rolling any number between
A local bakery uses its stock of sugar according to demand for its products. Indeed, the weekly sugar use follows approximately a normal distribution with mean 2,400 lb. and with standard deviation 400lb.
The researcher estimated that out of the 100 students at least 50% of the students would be exposed to movies and TV w/ crude humor at least 2-4 times per week.
A simple random sample of 6 recent graduates revealed the following information about their weekly incomes. What is the expected value of the average weekly income of all the recent graduates?
1) Explain the difference between multiple independent variables and multiple levels of independent variables. Which is better?
59% identify NASCAR as their favorite type of racing. Suppose four auto racing fans are randomly selected. What is the probability that all four have NASCAR as their favorite?
What proportion of time will it take clean-up crew 56 or more hours for cleaning plant? Define the lower and upper limits of interval.
employment data at a large company reveal that 68 of the workers are married event a and that 52 of the workers are
You are interested in whether men participate more than women in political activities, so you survey 632 men and 675 women and ask them how many political events they attended within the past year. Here are your results.
question 1suppose the value of investment properties is normally distributed witha mean of 550000 and a standard
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