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In a city in italy, 30% of the families have a mastercard 20% have AMEX, 25% Visa, 8% M/C & AMEX, 12% Visa/MC, 6% have AMEX & Visa ...
1. what is the probability of selecting a family that has either a visa card or an american card?
2. If a family has a M/C, what is the probability that it has a visa cardd?
3. If a family has a visa card, what is the probability Have to show work in excel.
What is the 95% confidence interval for the true mean length of the bolt?
question 1 a sample of 2000 licensed drivers revealed the following number of speeding violations.number of
A certain researcher thinks that the proportion of women who say that female bosses are harshly critical is greater than the proportion of men.
Give a point estimate for the difference between the proportion of college-aged women and the proportion of college-aged men who are registered to vote.
Given same values n=20, p=0.6, and x=17, calculate probability of x successes in n independent trails of experiment.
Calculate 95 percent and 99 percent confidence intervals for m. Using the 95 percent confidence interval, can we be 95 confident that m is at least 50 pounds? Explain.
Use Chebyshev's theorem to find what percent of the values will fall between 162 and 292 for a data set with a mean of 227 and standard deviation of 13.
Perform a hypothesis test to determine if there is a significant correlation (α =0.05) between number of hours of overtime worked and hours of sleep
Indicate with Yes or No whether the given statement could apply to a data set consisting of 1,000 values that are all different. a. The 29th percentile is greater than the 30th percentile.
the no. of grams of carbohydrates contained in 1-ounce servings of randomly selected chocolate and non chocolate candy
If one person is selected at random, what is the probability that person is Female?
Jamie expects that a bulb will last for 400 to 500 days, what is the probability of an Acme bulb satisfying that?
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