Approximate the probability P(X<7) by the fact that the random variable o/√n can be approximated to have the standard normal distribution. Compare the value with the exact value in

Q: Two popular brands of tires for tractor-trailers are the Puma and the Eternal. Ann is a buyer for a…

A: given data puma tiresx¯1  = 54.71s12 = 5.95n1 = 14eternal tiresx¯2  = 50.21s22 = 37.75n2 = 15α =…

Q: The average final exam score for the statistics course is 81%. A professor wants to see if the…

A: Note- Since you have posted a question with multiple sub-parts, we will solve the first three…

Q: Find nosmal coovature ofmonage pateh.

A: Equation of Monge patch is : σx,y=x,y,zx,y Formula of normal curvature is: K=LN-M2EG-F2 where E,G,F…

Q: find 4th deciles for given data  12,15,14,2,6,32,25,6,85,75,62,96,35,14,26,35,28,65,8

A:

Q: i. var (VSRSWOR): = N-125² Nn

A: We need to show that:-

Q: What is the mean number of heart failure patients with the condition due to natural causes that…

A: Heart failure is due to either natural occurrences (84%) or outside factors (16%). Outside factors…

Q: The average fruit fly will lay 393 eggs into rotting fruit. A biologist wants to see if the average…

A:

Q: Find out how many distinguishable permutations are in the following words. Distribution

A: Formula : The number of permutations of n objects of which n1 are of one type, n2 are of a second…

Q: Identify the test statistic that should be used for testing whether the average distance hit for the…

A: Test is that whether the average hit distance differs for the four brands of baseball bats.

Q: A die is rolled nine times, and the number of times at two shows on the upper face is counted. If…

A: given data roll adie nine times count number of times two shows up repeat this experiment many times…

Q: Mika studies if age correlates with the average number of hours of sleep, so she selected a random…

A: The total of x(age) = 146 Total of X^2 = 4258 Total of y^2 = 302 Total of y(sleep time) = 42 Total…

Q: Give and explain one way to find uniformly most powerful test (UMP).

A: The UMP test:While testing a null hypothesis, H0 against a composite alternative hypothesis, Ha, the…

Q: Please do not give solution in image formate thanku  suppose a national lotto has the following…

A: Since the order of the numbers doesn't matter, and the numbers are drawn without replacement.(a)…

Q: A bank recieve average 6 bad cheks per a day what is probabilty that bank recieve 4 bad cheks

A:

Q: 50, 10, 10, 8, 6, 11, 6,11, 9, 9 What is the 1st and 3rd quartile?

A:

Q: Which of the following instruments can be used to find the values of continuous random variable?…

A: Option C is correct. Answer : weighing scale  Explanation : As weight is a continuous random…

Q: uppose that the insurance companies randomly surveyed 400 drivers and found that 320 claimed they…

A: Solution: Given information: n= 400 sample size of drivers. X=320 drivers buckle up

Q: The 20 scores below were recorded from a math test: 75, 64, 82, 68, 75, 73, 68, 78, 80, 97, 85, 68,…

A: There are 20 scores. Starting class is 50-59. The number of classes is 5. The frequency distribution…

Q: Use flat random numbers to estimate л.

A: Let us estimate the pi using flat random numbers in the next steps.

Q: Define effect size

A: Effect size refer to the value of a statistic calculated from sample data, the value of a parameter…

Q: The following are the lengths of stay (in days) for a random sample of 16 patients discharged from a…

A: It is required to construct a histogram using the given data.