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A 0.05 significance level is used for a hypothesis test of the claim that when parents use the XSORT method of gender selection, the proportion of baby girls is different from 0.5. Assume that sample data consists of 55 girls born in 100 births, so the sample statistic of 0.55 results in a z score that is 1.00 standard deviation above 0. Answer the following questions. a. Identify the null hypothesis and the alternative hypothesis. b. What is the value of α? c. What is the sampling distribution of the sample statistic? d. Is the test two-tailed, left-tailed, or right-tailed? e. What is the value of test statistic?Page 2 of 3 f. Use Excel's NORM.S.DIST function to find the P-value. g. Use Excel's NORM.S.INV function to find the critical value. h. What is the area of the critical region?
The peremiter of a cross section of a piece of lumber is 34 1/2 in. The length is twice the width. Find the actual dimension of the cross section of this piece of lumber.
Application of the Binomial Distribution to an Aircraft. Suppose you are flying a four-engine aircraft on a 10-hour transoceanic flight. Assume that it has been established that the probability of an engine of the type you have on your aircraft fa..
Verify whether this function is 1-1 and whether it is onto and find the formulas for f o f and g o f.
A person who can row 2.6mph in still water wants to row due east across a river. The river is flowing from the north at a rate of 0.8mph. Determine the heading of the boat required for the boat to travel due east across the river.
Control A certain machine that is used to manufacture screws produces a defect rate of .01. A random sample of 20 screws is selected.
a plane is flying horizontally at an altitude of 2 mi and a speed of 400 miles per hour passes directly over a stadium. find the rate at which the distance from the plane to the stadium is increasing when the plane is 4 mi away from the station?
Think of a mathematical function that represents something from your own life. For example, Assume the number of beers you drink depends on the number of football games you watch.
The grades of 22 students are listed below. Use the stem & leaf to determine the shape of the distribution.
If the tickets are not replaced after each draw, what is the probability of winning the new car?
there are 80 students in the school orchestra. forty percent of the orchestra students are in the 7th grade and 35 of
Independent measures research study.
How could I find the first and second order (differentiation) of the following functions:
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