Interval for percentage of all players
A survey asked "who do you consider to be best hitter in baseball? Of 493 major league players asked 355 said bonds. Construct a 95% interval for percentage of all players who think bonds is the best in history.
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Alex and Yan agree to meet at library between 5 pm and 5:30 pm to study. They will arrive independently. Let's call X the time after 5 pm when Alex arrives, and Y time after 5 pm when Yan arrives. X is distributed uniformly over interval [0,30] mi
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A sample of the reading scores of 35 fifth graders has a mean of 82. The standard deviation of the population is 15. Find the best point estimate of the mean
A national study has gathered data on number of hours that people work in week. The researcher would like to know if there are significant differences between men and women in amount that each work a week.
In 2006, Jeff King, from Denali, Alaska, won Iditarod in the time of 9 days, 11 hours, 11 minutes, and 36 seconds. Suppose length of race is 1112 miles. Find positive difference between the mean speeds in miles per hour?
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Skittles Original Fruit bite-size candies are multicolored candies in a bag, and you can "Taste the Rainbow" with their five colors and flavors; green, lime; purple, grape; yellow, lemon; orange, orange; and red, strawberry.
Assume p-waves have the velocity of 3.6 miles per second and s-waves have the velocity of 1.8 miles per second. How long after earthquake will p-waves and s-waves be 80 miles apart?
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