Question

A pineapple farmer supplies a large number of pineapples to a national supermarket chain. The weight of the pineapples was normally distributed, with the mean of 300g and the standard deviation of 30g.
What is the probability that a pineapple chosen at random weighs more than 347g?

Answer 1

Step-by-step explanation:

An article discussed the opening of a Wise Market in Tokyo. The following data compared the prices ol some kitchen staples at the new Wise Market (group I) and at the Star supermarket (group 2) located about 45 blocks from the Wise Market: Item Wise Star () (2) Hall-gallon milk 16.8 22.0 Dozen eggs 14,.7 452 Tropicana orange juice (64 0) 15.6 18.7 Head o4 Boston lettuce 16.7 45.6 Ground round_ Ib. 17.5 20.8 Bumble Bee tuna; 6 02 ca 18. 19.5 Granny Smith apples Ib) 14. 17.0 Box DeCecco linguini 21.8 195 Salmon steak 13.9 16.5 Whole chicken per pound 20.8 24,0 Use math symbol t0 formulate null hypothesis and alternative hypothesis to test whether there is evidence that the mean price is lower at Wise Market than at the Star supermarket. (5%) Atthe (.0[ level of significance, what is the value of test statistic? What is the critical value? What is the degree of' freedom? Using the critical value approach; is there evidence that the mean price is lower a Wise Market than at the Star supermarket? What is your conelusion? Interpret. (5%) (Note: without calculation process, interpretation; and conclusion_ HO credit) Using 0.0| level ol significance and the p-value approach; what is the p-Value? And what is your conelusion? Interpret. (5%) (Note: without calculation process, interpretation; and conelusion; no credit). What assumption is necessary (0 perform the test in (6)? (5%)