Suppose that IQ scores have a bell-shaped distribution with a mean of 104 and a standard deviation of 14. Using the empirical rule, what percentage of IQ scores are at least 90? Please do not round your answer.

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A: Answer :    1) Convenience sampling: Ask all the students in your math class. Explanation: This is…

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A:

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A: Correct option is A GDP; Y- C-I=G+NX

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A: Given information: Moment of origin(O)=10n=4

Q: What is the highest score?   Question 18 options:   9   96   156   9156

A: Given that  Stem and leaf plot  Stem Leaf5      3 66      1 4 67      2 4 4 5 88      0 1 3 3 3 4 5…

Q: 1z

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Q: find the mean of the Variable X.. find the Standard deviation.

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Q: If the population mean is 50 and the standard deviation is 5, what is the normal deviate Z for a…

A: given data μ = 50σ = 5n = 30x¯=46z = ?

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A: Concept: Parameter is the variable of population Statistic is the variable of sample

Q: uld you please check

A: Wait time in minutes     40 46 49 44 45 45 38 51 42 46 41 45 49 41 48 42 49 40 42 43 43…

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A: by bartleby policy i can gives only 3 subparts at a time

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Q: ORCEE Exercise 1.5 € If you add a constraint to a model, do you expect the overall solution to be…

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Q: Please give correct answer ASAP Example 5: A local college is interested in knowing if the…

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Q: The test statistic of z=1.68 is obtained when testing the claim that p≠0.282. a. Identify the…

A: Given that  Test statistics = z = 1.68 Claim H1 :  p ≠ 0.282  Vs  H0 : p = 0.282

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Q: Determine the difference between the fourth moment about the origin (10) and the fourth moment about…

A: Given information: Moment of origin=10n=4

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Q: 20:40 20001 bronz Positive Results MONG FROM H Not a use: 2 1&5 AML 2N ortbrow 20 cruf Drug User: 47…

A: Given:   Positive Result Negative Result Drug Used 47 11 Not a Drug user 2 29

Q: What is the highlighted area under the given Normal curve? u - 30 u - 20 u-o и то u + 20 μ+30

A: we have to find shaded area   as we know, area under standred normal curve represents probability