A sample of size 115 will be drawn from a population with mean 48 and standard deviation 12. Use the TI-83 Plus/TI-84 Plus calculator. Part 1 of 2 (a) Find the probability that x will be less than 45. Round the answer to at least four decimal places. The probability that x will be less than 45 is 0.0037 Part: 1 / 2 Part 2 of 2 (b) Find the 25" percentile of x. Round the answer to at least two decimal places. th The 25 th percentile is Skip Part Check Save For Later Subm © 2022 McGraw Hill LLC. All Rights Reserved. Terms of Use I Privacy Cente MacBook Air DII S0 esc F8 F10 F4 FS F6 F7 F1 F2 F3 @ 23 %24 8. の

Q: A sample of n = 6 scores has a mean of M = 10. If one score with a value of X = 12 is removed from…

A: Given that  A sample of n = 6 scores has a mean of M = 10

Q: (b) Find the 1oth percentile of x. Round the answer to at least two decimal places. The 10t…

A: Given that.   X~N( μ , ?^2 )   μ= 31    , ?=6  ,n=60   Z-score =( x - μ )/?

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Q: Consider the variable X whose mean and variance are given respectively by Hx = 27.2 and Var(X) =8.…

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Q: A sample of 3000 observations has a mean of 88 and a standard deviation of 13. The distribution is…

A: Solution :  Given:   n   = 3000 samples              x¯   = 88               s   = 13 For bell…

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Q: In a population of exam scores, a score of X = 88 corresponds to z = 2 and a score of X = 79…

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Q: A sample of n = 10 scores has a mean of M = 13. After one score is added to the sample, the mean is…

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Q: Part 1 of 5 (a) State the appropriate null and alternate hypotheses. H1: This hypothesis test is a…

A: mu = 2.1 xabr = 1.95 n = 54 sigma = 0.4

Q: Question 2 of 9 (i point) A sample of size 190 will be drawn from a population with mean 45 and…

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