Academic Integrity: tutoring, explanations, and feedback — we don’t complete graded work or submit on a student’s behalf.

in two consecuhve years, a large corporation bought nv taiing electrcincs stores

ID: 3302547 • Letter: I

Question

in two consecuhve years, a large corporation bought nv taiing electrcincs stores, sore A and store B. The stcres kept tneir onginal names and cstomes can purchase products trom ether wehsite. If a random sample is taken at a mixture cf recent purchases from the two websites tne distribution of the amounts purchased will be model. use this information to ocmpete parts (a) and (b) (a) As the sample size increases, wnat is the expected shape of the distribution cf amounts purchased in the sample? o A. O B. C. 0 D. As tne sample size ncreases, the sample distribution of amounts purchased will skew to the left. As tne sample size ncreases, the sample distribution of amounts purchased will skew to the right As the sample size n resses the sample distribution of amounts purchased will look more and more like lhe population dis rib tion bimodal As the sample size ncreases the sample distribution of amounts purchased will look more and more like lhe Nonna distrbution. (b) As the sariple size increases, what is the expecied shape of the sarrpling riod for thee ourt purchased of lhe serripke? 0 A. As the sample size ncreases, the expected shape of the sampling model for the mean wl also be binocal. B. As the sample size rici eases, the expected shape of the sampling model the mean wl be Norrna c. As the sample size ro1aases, the expected shape of the sampling model for the mean wl skew to te len. O D. As the sample size incresses, the expected shape of the sampling model for the mean wl skew to the rignt.

Explanation / Answer

Ans:

a)as the sample size increases,the sample distribution of amounts purchased will look more and more like normal distribution.

Option D is correct.

b)

As the sample size increases ,the expected shape of the sampling model of the mean will be normal.

Option B is correct.