2). Let X(n, p) denote a binomial random variable with parameters n and p. Show that X (n 1,p) st X (n, p)

Need asap please. Just need help with Part b.

I just need help with parts D and E please.

The data below represent the responses to two questions asked in a survey of 40 college students majoring in​ business: What is your​ gender?(M=male;F=female) and What is your​ major? (A=Accounting; C=Computer Information Systems; M=Marketing). Complete parts​ (a) and​ (b). Gender Major F M M M F C F A M A M C F M M C M A M M M M M C M C M M M M F A M A M C F C F C M A F M F M M A M A F A F A F A M C F M M C M A F M F C F M M A M C M A M C F A ally the data into a contingency table where the two rows represent the gender categories and the three columns represent the academic major categories.     Student Major Categories     Gender A C M Totals   Male           Female   enter your response here     enter your response here     enter your response here     enter your response here     Totals enter your response here enter your…

In a recent​ year, a research organization found that 487 of 806 surveyed male Internet users use social networking. By contrast 619 of 919 female Internet users use social networking. Let any difference refer to subtracting male values from female values. Complete parts a through V below. Assume that any necessary assumptions and conditions are satisfied. Find the proportions of male and female Internet users who said they use social networking. A. What is the difference in​ proportions? B. What is the standard error of the​ difference? C. Find a 95% confidence interval for the difference between these proportions.

Identify whether this is type l, type ll error or correct :  a jury concludes that a defendant is guilty when he is really innocent. Null: he is not guilty (is innocent) alt: he is guilty (not innocent )

The data below represent the responses to two questions asked in a survey of 40 college students majoring in​ business: What is your​ gender?(M=male;F=female) and What is your​ major? (A=Accounting; C=Computer Information Systems; M=Marketing). Complete parts​ (a) and​ (b). Gender Major F M M M F C F A M A M C F M M C M A M M M M M C M C M M M M F A M A M C F C F C M A F M F M M A M A F A F A F A M C F M M C M A F M F C F M M A M C M A M C F A Construct contingency tables based on percentages of all 40student​ responses, based on row percentages and based on column percentages. Complete the following contingency table based on total percentages.     Student Major Categories         Gender A C M Totals   Male   enter your response here ​%   enter your response here ​%   enter your response here ​%   enter your response here ​%   Female…

Which of the following statements about conjoint analysis are True? (Multiple Right answers, please select all True answers) a. Subjects are asked to make judgments about stimuli that represent some predetermined combinations of attributes b. Respondents are asked to indicate their preference for each of the stimuli c. While the attributes that will be used to construct the stimuli will stem primarily from the purpose of the investigation, the analyst will have some discretion in this regard d. The attributes used to construct the stimuli should be actionable for the company e. Subjects are asked to make judgments about existing objects.