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26 February, 19:40

In a random sample of 13 people. The mean length of stay at a hospital was 6.2 days. Assume the population standard deviation is 1.7 days and the length of stay are normally distributed. Construct a 99% and a 95% confidence interval.

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  1. 26 February, 20:31
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    We have 99% and 95% confidence interval to be

    7.1241 Or 5.276

    Step-by-step explanation:

    Given that n = 13

    Mean = 6.2

    Standard deviation = 1.7

    Therefore to construct confidence interval for 99% and 95%.

    Z score for 95% confidence level is 1.96

    We have that:

    6.2 + / - 1.96 (1.7/√13)

    6.2 + / - 0.9241

    6.2+0.9241 or 6.2-0.9241

    7.1241 Or 5.276
  2. 26 February, 23:39
    0
    Do you know this answer?

    Step-by-step explanation:

    Theseus forgives Arcite and Palamon and then proposes a way to let Destiny determine who will win Emily's hand. What doe he suggest? What rules must be followed?
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