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Gelneren [198K]
2 years ago
15

The drama club at Central sells hot chocolate and coffee at the high school football games. At the last game, they had sales of

$200. They need to keep track of how many of each type of drink was sold so they can make predictions for future sales. Monica knows that they used 275 cups that might. If coffe sells at 50 cents, and hot chocolate sells for 75 cents, how much if each type of drink were sold?​
Mathematics
1 answer:
xxTIMURxx [149]2 years ago
3 0

Answer:

I could be wrong but the coffee is 200 and the hot choclet is 266.666666667

Step-by-step explanation:

I used math and a calculator.

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The mayor of a town has proposed a plan for the construction of a new community. A political study took a sample of 800 voters i
Hunter-Best [27]

Answer:

A political strategist wants to test the claim that the percentage of residents who favor construction is more than  30%, so then that represent our claim and needs to be on the alternative hypothesis.

Based on this the correct system of hypothesis are:

Null hypothesis: p \leq 0.3

Alternative hypothesis p >0.3

Step-by-step explanation:

We have the following info given from the problem:

n= 800 the random sample of voters selected from the town

\hat p = 0.34 represent the proportion of residents favored construction

p_o = 0.30 represent the value desired to test.

A political strategist wants to test the claim that the percentage of residents who favor construction is more than  30%, so then that represent our claim and needs to be on the alternative hypothesis.

Based on this the correct system of hypothesis are:

Null hypothesis: p \leq 0.3

Alternative hypothesis p >0.3

And in order to test this hypothesis we can use a one sample z test for a population proportion and the statistic would be given by:

z=\frac{\hat p -p_o}{\sqrt{\frac{p_o (1-p_o)}{n}}} (1)  

And with the data given we have:

z=\frac{0.34 -0.3}{\sqrt{\frac{0.3(1-0.3)}{800}}}=2.469  

7 0
2 years ago
302.406 + 7,710.826 What is the sum? ​
Alexus [3.1K]

Hi! I believe your answer is <u>8,013.232</u>. The work is shown below. I hope this helps you! Good luck and have a great day. ❤️✨

4 0
3 years ago
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Nth term of 4,11,18,25
romanna [79]
18 is the answer because eighteenth has nth in the ending
8 0
3 years ago
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Darlene's room measures 12feet on ones side and 9 feet on another, help her calculate the area of her room. The area if a rectan
IrinaK [193]

Answer:

  108 ft²

Step-by-step explanation:

The product of length and width is ...

  (12 ft)(9 ft) = 12·9 ft·ft = 108 ft²

8 0
3 years ago
A one-sided hypothesis test is to be performed with a significance level of 0.05. Suppose that the null hypothesis is false. If
vova2212 [387]

Answer:

E) The probability of a Type II error would increase and the power of the test would decrease.

3 0
2 years ago
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