Mathematics, 09.04.2020 01:27, d1Dej
A health journal conducted a study to see if packaging a healthy food product like junk food would influence children's desire to consume the product. A fictitious brand of a healthy food productlong dashsliced appleslong dashwas packaged to appeal to children. The researchers showed the packaging to a sample of 330 school children and asked each whether he or she was willing to eat the product. Willingness to eat was measured on a 5-point scale, with 1="not willing at all" and 5="very willing." The data are summarized as x = 3.27 and s=2.27. Suppose the researchers knew that the mean willingness to eat an actual brand of sliced apples (which is not packaged for children) is u=3. Complete parts a and b below.
Conduct a test to determine whether the true mean willingness to eat the brand of sliced apples packaged for children exceeded 3. Use α=0.01 to make your conclusion.
Answers: 3
Mathematics, 21.06.2019 21:00, latinotimo7643
With both problems. a. s.a. p directions on photo ^
Answers: 1
Mathematics, 21.06.2019 21:40, oprajapati
The management of a supermarket wants to adopt a new promotional policy of giving a free gift to every customer who spends more than a certain amount per visit at this supermarket. the expectation of the management is that after this promotional policy is advertised, the expenditures for all customers at this supermarket will be normally distributed with a mean of $95 and a standard deviation of $20. if the management wants to give free gifts to at most 10% of the customers, what should the amount be above which a customer would receive a free gift?
Answers: 2
Mathematics, 21.06.2019 22:40, winterblanco
Use this graph to find the cost of 6 show tickets
Answers: 1
A health journal conducted a study to see if packaging a healthy food product like junk food would i...
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