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U.C.L.A. states that at least 40% of the students live on campus. From a sample of 250 students, 90 live on campus. Does this sample provide evidence that fewer than 40% live on campus? Conduct the test with a=0.01.
9 squirrels were found to have an average weight of 11.6 ounces with a sample standard deviation of 2.4 ounces. Find the 95% confidence interval of the true mean weight?
A recent gasoline survey said that the national average price of gasoline was$2.904 a gallon. It was felt that gasoline in Missouri was significantly lower than the national average. A survey of 36 different communities in Missouri found the average price of gasoline to be $879 a gallon with a standard deviation of %0.080. Conduct a hypothesis test using the p-value method with a= .05 to determine if the price of gas in Missouri is less than the national average?
Do dermatologists earn about the same incomes as NFL players. Suppose of 38 dermatologists reveals a sample with a average weekly income of $2,500 and with a standard deviation of 418. A sample of 36 NFL players shows an average weekly in come of $2,900 with a population standard deviation of 432. Conduct a hypothesis test with a= 0.05 to determine if there is evidence that there is a difference between the dermatologists income and the NFL player income?
Estimate the standard deviation of the price of a textbook.
The center of a circle inscribed in a triangle is the same point as the intersection of the triangle's _?_.
Find the mean, median and standard deviation.
Brian and Hayden go out for dinner and the bill comes to $120.00. Hayden usually tips more than 20% of the bill and Brian usually tips at most 25% of the bill.
State Euler's Circuit Theorem. Explain why this theorem should be true and explain Cantor's Diagonalization Argument. Give examples and explain what this argument was used for.
Question: Estimate the true proportion of heads. Use a 95% confidence interval. Don't forget to check the conditions first.
How do I relate the relationship between geometry and abstract algebra to how the symmetries of a square are conceptualized as the dihedral group of 8?
With what initial velocity must an object be thrown upward from the ground to reach the height of a national monument (580 feet)? Use a(t) = -32 feet per second as the acceleration due to gravity. (Round to 2 decimal places.)
The officejet printer can copy Maria's dissertation in 16 min. The laser Jet printer can copy the same document in 12 min. If the two machines work together, how long would they take to copy the dissertation?
A nuclear tower is a hyperboloid that is a hyperbola rotated around its conjugate axis. The equation of hyperbola is X^2/100^2 - y^2/150^2 = 1. The tower is 500 feet tall, the top is 150 feet above the center of the hyperbola and the base is 350 f..
Twenty scientists are seeking financial support from the National Science Foundation . Find the number of ways in which the NSF panel can select four of the twenty submitted proposals ranking
An integer is called squarefree if it is not divisible by the square of a positive integer greater than 1. Find the number of squarefree positive integers less than 100.
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