Mathematics, 02.05.2021 01:40 phillipsangela014

Store A sells melons that weigh 22 pounds on average with a standard deviation of 2.5. Store B sells melons that weigh 18 pounds on average with a standard deviation 2 pounds. You take an SRS of 40
melons from store A and an SRS of 34 from store B.
(A) Find the mean of each sampling distribution.
(B) Would it be reasonable to use the standard deviation formula? Explain.
(C) Find standard deviation of each sampling distribution.
(D) How would you describe each distribution?
(E) How would you describe the distribution of difference in mean weight of samples from the two
stores?
(F) Find the mean and standard deviation of the difference in the weight of melons from stores A and B.
(G) How frequently do the mean weights of the melons exceed 5 pounds?

Answers: 1

Show answers

Another question on Mathematics

Mathematics, 21.06.2019 17:00

Arley is building a model of a city map. in one part of the city, three roads form a right triangle, which harley draws as triangle abc, with the following measures: m∠b=90° and m∠a=30°. in his scale model, the hypotenuse of triangle abc, ac¯¯¯¯¯¯¯¯, has a length of 817−−√ cm. what is the value of a (the length of bc¯¯¯¯¯¯¯¯)?

Answers: 1

Answer

Mathematics, 21.06.2019 18:00

Given: and prove: what is the missing reason in the proof? given transitive property alternate interior angles theorem converse alternate interior angles theorem

Answers: 1

Answer

Mathematics, 21.06.2019 18:00

Give all possible names for the line shown.calculation tip: lines can be written with either point first.

Answers: 1

Answer

Mathematics, 21.06.2019 19:00

Quick! a survey of 57 customers was taken at a bookstore regarding the types of books purchased. the survey found that 33 customers purchased mysteries, 25 purchased science fiction, 18 purchased romance novels, 12 purchased mysteries and science fiction, 9 purchased mysteries and romance novels, 6 purchased science fiction and romance novels, and 2 purchased all three types of books. a) how many of the customers surveyed purchased only mysteries? b) how many purchased mysteries and science fiction, but not romance novels? c) how many purchased mysteries or science fiction? d) how many purchased mysteries or science fiction, but not romance novels? e) how many purchased exactly two types of books?

Answers: 3

Answer

You know the right answer?

Store A sells melons that weigh 22 pounds on average with a standard deviation of 2.5. Store B sells...

Questions

Mathematics, 05.02.2021 19:30

The expression (x^3)(x^-17) is equivalent to ch What is the value of n? I...