Question regarding geometric distribution
Suppose that X is a geometric random variable. (a) prove that for positive integers n and k, P(X=n+k|X>n)=P(X=k). (b)explain what this result means and why it makes sense for a geometric distribution to have this property.
Expected delivery within 24 Hoursrs
Deviation, your organization has a goal of 15 days for the average processing of a purchase request (PR) from notification to final approval. they are only concerned if it takes longer than 15 days.
Find the transient current (a general solution) in the RLC circuit given below given R=0.2?, L=0.1H, C=2F, and E=754sin(0.5t) V.
A sample of 30 cookies is taken to test the claim that each cookie contains an average of at least 9 chocolate chips. The average number of chocolate chips per cookie in the sample was 7.8 with a sample standard deviation of 3. Using a 5% level of
A six-sided dice is tossed once and its outcome is noted. It is then tossed repeatedly until an outcome is observed that is at least as large as that on the first toss. Compute the expected number of tosses needed, not including the first toss.
Suppose that weights of American adult males is Normally distributed with mean 165 pounds and standard deviation 15 pounds. A random sample of 36 adult American males is obtained.
The manager assumes the waiting times to be normally distributed. Perform the four-step hypothesis test at the ? = 0.05
The pairs are presented one at a time, for 4 seconds, cycling through the entire list, before the first pair is shown again. There are three levels of repetition: level 1, in which each pair is shown 4 times; level 2,
Do the data provide sufficient evidence to conclude that the mean delivery time for the local pizza restaurant is less than the mean delivery time for the national pizza chain? Conduct hypothesis test using ?=.05.
Find the minimum sample size n needed to estimate u for the given values of c, s, and e
state the appropriate null and alternative hypotheses; Ho= , Ha= calculate the test statistic. c) calculate the corresponding p-value ( or range for the p-value)
Start Excelling in your courses, Ask an Expert and get answers for your homework and assignments!!