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In each of the following find the pdf of Y. Show that the pdf integrates to 1.
(a) Y = X3 and fx(x) = 42x5(1-x), 0<x<1
(b) Y = 4X+3 and fx(x) = 7e-7x, 0<x<infinity
(c) Y = X2 and fx(x) = 30x2(1-x)2, 0<x,1
the following analysis of variance table includes information from three treatments samples each with six observations.
If 10% of the parts produced from a manufacturing process are defective, what is the probability that there are 15 or more defectives in a random sample of 100 items?
A survey of 608 adults showed that 401 of them approved of the way city government was being run. Find a 99% confidence interval for the true proportion of voters who approve the way city government is being run.
A question has these possible choices - excellent, very good, good, fair, and unsatisfactory. How many degrees of freedom are there using the goodness-of-fit test to the sample results?
When coaching or training athletes, the tests employed to predict performance or determine training methods incorporate statistical methods. Why are these methods so effective?
Cars arrive at a toll booth at a mean rate of five cars every 10 minutes according to a Poisson process. Find the probability that the toll collector will have to wait longer than 26.30 minutes before collecting the eighth toll.
What is the best predicted IQ of the wife, given that the husband has an IQ of 105 ? Use a significance level of 0.05.
Add titles and modify the default colors, fonts, etc., as you judge appropriate to make the scatter plot effective. (b) Describe the relationship (if any) between X and Y. Weak? Strong? Negative? Positive? Linear? Nonlinear?
A marketing survey is conducting in which students are to taste two different brands of soft drink. Their task is to currently identify the brand tasted.
Does this data indicate that the sentiment for increasing the speed limit is different for the two groups of residents? Let p1 refer to the urban population.
do one of the following as appropriate a find the critical value za2 b find the critical value ta2 c state that neither
This information was also obtained from monitored calls. At the .05 significance level does it take longer to resolve software issues? What is the p-value?
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