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krek1111 [17]
4 years ago
7

Can anyone please help

Mathematics
1 answer:
leonid [27]4 years ago
3 0

Answer:

B

Step-by-step explanation:

The range is the difference between most ingredients used and least ingredients used.

most used = 23 and least used = 9

range = 23 - 9 = 14 → B

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Answer:

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Step-by-step explanation:

If you put them into a graphing calculator they all align. Have a nice day.

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Step-by-step explanation:


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iris [78.8K]

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4 years ago
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Suppose that a company prints baseball cards. They claim that 30% of the cards feature rookies, 60% feature veterans, and 10% fe
liraira [26]

Answer:

H0: The distribution of players featured on the cards is 0.30 rookies, 0.60 veterans, and 0.10 All-Stars.

Ha: At least one of the proportions in the null hypothesis is false.

Step-by-step explanation:

On this case we need to apply a Chi squared goodness of fit test, and the correct system of hypothesis would be:

H0: The distribution of players featured on the cards is 0.30 rookies, 0.60 veterans, and 0.10 All-Stars.

Ha: At least one of the proportions in the null hypothesis is false.

And in order to test it we need to have observed and expected values. On this case we  can calculate the Expected values like this

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E_{veterans}=50*0.6=30

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The observed values are not provided. The statistic on this case is given by:

\chi^2 =\sum_{i=1}^n \frac{(O_i) -E_i}{E_i}

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We can calculate the p valu like this:

P(\chi^2 > \chi^2_{calculated})=p_v

And if the p value it's higher than the significance level we FAIL to reject the null hypothesis. In other case we reject the null hypothesis.

5 0
3 years ago
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