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anonymous

  • one year ago

Anita's, a fast-food chain specializing in hot dogs and garlic fries, keeps track of the proportion of its customers who decide to eat in the restaurant (as opposed to ordering the food "to go") so it can make decisions regarding the possible construction of in-store play areas, the attendance of its mascot Sammy at the franchise locations, and so on. Anita's reports that 48% of its customers order their food to go. Suppose that this proportion is correct and that a random sample of 40 individual customers is taken.

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  1. anonymous
    • one year ago
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    Estimate the number of customers in the sample who order their food to go by giving the mean of the relevant distribution (that is, the expectation of the relevant random variable). Do not round your response. Quantify the uncertainty of your estimate by giving the standard deviation of the distribution. Round your response to at least three decimal places.

  2. anonymous
    • one year ago
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    I told you, make it into a proportion. Do you know how to do that?

  3. anonymous
    • one year ago
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    i think all you do is 40 *.48?

  4. anonymous
    • one year ago
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    Yes but you have to divide it by something as well. let me re-read the problem... :)

  5. anonymous
    • one year ago
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    I believe you divide it by 2 because of the specialty items. There is only two things that the customers are eating

  6. anonymous
    • one year ago
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    Wait....no. Hold on.

  7. anonymous
    • one year ago
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    i didnt think dividing by 2 sounded right

  8. anonymous
    • one year ago
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    Yes, you were right :) sorry, I thought you put 40*48 lol I didn't see the decimal

  9. anonymous
    • one year ago
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    thats the only thing i could think of to do it just seemed to easy

  10. anonymous
    • one year ago
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    how do you find the standard deviation of that?

  11. anonymous
    • one year ago
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    Woah. That I don't know.... :/ Sorry sweetie

  12. anonymous
    • one year ago
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    ok thanks for your help

  13. anonymous
    • one year ago
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    You're welcome :)

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