A store offers discounts on lunch-size chip bags when buying larger quantities. The graph below represents the total cos
1 answer:
The difference in the price per bag for 150 bags versus 50 bags is $0.05 per bag
<h3>What is an equation?</h3>An equation is an expression that shows the relationship between two or more variables and numbers.
From the diagram:
Price for 150 bag = $38
Cost per bag = $40 / 150 = $0.25
Also:
Price for 50 bag = $15
Cost per bag = $15 / 50 = $0.30
Difference in price = $0.30 - $0.25 = $0.05
The difference in the price per bag for 150 bags versus 50 bags is $0.05 per bag
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Answer:
represent the sample for the sample 1
represent the sample for the sample 2
represent the deviation for the sample 1
represent the deviation for the sample 2
represent the sample size for the group 1
represent the sample size for the group 2
And on this case if we create the system of hypothesis we have this:
Null hypothesis :
Alternative hypothesis:
Step-by-step explanation:
Previous concepts
A hypothesis is defined as "a speculation or theory based on insufficient evidence that lends itself to further testing and experimentation. With further testing, a hypothesis can usually be proven true or false".
The null hypothesis is defined as "a hypothesis that says there is no statistical significance between the two variables in the hypothesis. It is the hypothesis that the researcher is trying to disprove".
The alternative hypothesis is "just the inverse, or opposite, of the null hypothesis. It is the hypothesis that researcher is trying to prove".
On this caseHe wants to prove that Raymondville residents (population 1) dine out more often than Rosenberg residents (population 2). So this statement need to be on the alternative hypothesis. And the complement of the alternative hypothesis would be on the null hypothesis.
Solution to the problem
We assume that we have the following statistics:
represent the sample for the sample 1
represent the sample for the sample 2
represent the deviation for the sample 1
represent the deviation for the sample 2
represent the sample size for the group 1
represent the sample size for the group 2
And on this case if we create the system of hypothesis we have this:
Null hypothesis :
Alternative hypothesis:
Answer:
The question has some details missing; i.e
a. What is the probability that the shopper has neither type of card?
b. What is the probability that the shopper has both types of card?
c. What is the probability the individual has a Visa card but not a Mastercard? (Hint: You will use the answer)
a) 0.24
b) 0.24
c) 0.36
Step-by-step explanation:
The detailed steps is shown in the attachment.
