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Whitepunk [10]
3 years ago
13

1. A local pizzeria sold 65 pizzas yesterday. (a) The owner offers the employees a bonus if the number of pizzas sold increases

by 20% today. How many pizzas must the pizzeria sell for employees to receive the bonus? Explain your reasoning. (b) Today the pizzeria sold 60 pizzas. What is the percent increase or decrease of pizzas sold from yesterday to today? Round your answer to the nearest hundredth. Show your work
Mathematics
1 answer:
Ad libitum [116K]3 years ago
6 0
I think the answer is

65 + 0.20(65) = 65 + 13 = 78..they would have to sell 78 to get the bonus

(65 - 60) / 65 = 5/65 = 0.0769 x 100 = 7.69 rounds to 7.7 % decrease compared to the 65 pizza's sold yesterday

Not completely sure though, but
Hope It Helps
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Which of the following would be an appropriate alternative hypothesis?
Dennis_Churaev [7]

Answer:

a. The population proportion is less than 0.65

True, we ar interested in see if the population proportion is (less, higher, not equal) to a specified value.

Step-by-step explanation:

1) 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".

2) Solution to the problem

a. The population proportion is less than 0.65

True, we ar interested in see if the population proportion is (less, higher, not equal) to a specified value.

b. The sample proportion is less than 0.65

FALSE, we are interesed on parameters, not in statistics like the sample proportion when we conduct a hypothesis test.

c. The population proportion is equal to 0.65

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d. The sample proportion is equal to 0.65

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Step-by-step explanation:

hope it helps!

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3 0
3 years ago
What is the equation of 35?​
Dominik [7]

35 - X = 5

Simplifying

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Solving

35 + -1X = 5

Solving for variable 'X'.

Move all terms containing X to the left, all other terms to the right.

Add '-35' to each side of the equation.

35 + -35 + -1X = 5 + -35

Combine like terms: 35 + -35 = 0

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Divide each side by '-1'.

X = 30

Simplifying

X = 30

7 0
3 years ago
Read 2 more answers
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