I'm not sure why I have the last section incorrect. Let X be the number of packages being mailed by a randomly selected customer at a certain shipping facility. Suppose the distribution of X is as follows.124p(x) | 0.20.3 0.40.1(a) Consider a random sample of size n =2 (two customers), and let X be the sample mean number of packages shipped. Obtain the probability distribution of X.11.522.533.54P(x) ||.0412.25.28.22.08.01(b) Refer to part (a) and calculate P(X < 2.5)..69(c) Again consider a random sample of size n =for each outcome and use the probabilities from part (a).]2, but now focus on the statistic Rthe sample range (difference between the largest and smallest values in the sample). Obtain the distribution of R. [Hint: Calculate the value of RR12P(R).3.44.22.04(d) If a random sample of size n = 4 is selected, what is P(X < 1.5)? [Hint: You should not have to list all possible outcomes, only those for which x < 1.5.].7928

Name: I'm not sure why I have the last section incorrect. Let X be the numbe
Uploaded: 2024-03-20T06:38:44.000Z
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Description: I'm not sure why I have the last section incorrect. Let X be the number of packages being mailed by a randomly selected customer at a certain shipping facility. Suppose the distribution of X is as follows.124p(x) | 0.20.3 0.40.1(a) Consider a random