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Setler79 [48]
3 years ago
6

A local restaurant advertises that the mode cost of their most popular meals is $8. If the costs of their most popular meals are

$7, $8, $8, $12, $13, $15, $17, $18, and $20, which word or phrase best describes this kind of advertising? Accurate inaccurate accurate, but misleading inaccurate and misleading
Mathematics
2 answers:
hodyreva [135]3 years ago
8 0

Answer: This kind of advertising is accurate.

Step-by-step explanation:

Since we have given that

Cost of their most popular meals are as follows:

\$7,\$8,\$8,\$12,\$13,\$15,\$17,\$18,\ and\ \$20

As we have given that the mode cost of their most popular meals is $8.

As we know that "Mode" refers to the most occurring number that we can found in the data.

Here, we can see that $8 occurs 2 times , which is the most occurring cost among them.

Hence, Mode = $8.

So, This kind of advertising is accurate.

creativ13 [48]3 years ago
7 0

Answer:

accurate, but misleading. Hope I helped!

Step-by-step explanation:

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Using the z-distribution, it is found that the 90% confidence interval is given by: (0.6350, 0.6984).

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A confidence interval of proportions is given by:

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In which:

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In this problem, we have a 90% confidence level, hence\alpha = 0.9, z is the value of Z that has a p-value of \frac{1+0.9}{2} = 0.95, so the critical value is z = 1.645.

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Hence, the bounds of the interval are given by:

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The 90% confidence interval is given by: (0.6350, 0.6984).

More can be learned about the z-distribution at brainly.com/question/25890103

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