Data and Solutions - Class

xlsx

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Binghamton University *

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324

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Statistics

Date

Jan 9, 2024

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xlsx

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Uploaded by MagistrateFreedom12813

Population Parameter, p 0.577 Population Parameter, p 0.577 Sample Size, n 50 Sample Size, n 50 Check for Normality Check for Normality np 28.85 np 28.85 n(1-p) 21.15 n(1-p) 21.15 Distribution of P-hat Distribution of P-hat Shape Normal Shape Normal Mean 0.577 Mean 0.577 Std Dev 0.0699 Std Dev 0.0699 p-hat 0.6 p-hat 0.45 z-score 0.3292 z-score -1.8177 Prob (Z > z) 0.37 Prob (Z < z) 0.03

Population Parameter, p 0.577 Sample Size, n 50 Check for Normality np 28.85 n(1-p) 21.15 Distribution of P-hat Shape Normal Mean 0.577 Std Dev 0.0699 p-hat 0.477 0.677 z-score -1.4313 1.4313 Prob (z1 < Z < z) 0.85 Acc 57. in 2 How How How pop

cording to the U.S. Department of Education, women accounted for .7% of all the Bachelor’s conferred by degree-granting institutions 2019-2020. We randomly sampled 50 graduates w likely is our sample to contain 60% or more females? w likely is our sample to contain 45% or fewer females? w likely is our sample proportion to fall between ±10% of the true pulation proportion?

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Population Mean, mu 600 Population Mean, mu Population Std Dev, sigma 10 Population Std Dev, sigma Sample size, n 30 Sample size, n Distribution of X-bar Distribution of X-bar Shape Normal Shape Mean 600 Mean Std Dev 1.83 Std Dev x-bar 601 x-bar z-value 0.55 z-value P (Z > z) 0.29 P (Z < z)

600 Population Mean, mu 600 10 Population Std Dev, sigma 10 30 Sample size, n 30 Distribution of X-bar Normal Shape Normal 600 Mean 600 1.83 Std Dev 1.83 597 x-bar 599.5 600.5 -1.64 z-value -0.27 0.27 0.05 P (Z > z) 0.22 According to a mean of $600 sample of 30 t The sample me The sample me How likely is th population me

a national survey, teen spending during the holidays had a and a standard deviation of $10. We collect a random teens ean is $601. Is this an unusual sample? ean is $597. Is this an unusual sample? he sample mean to fall between ±$0.5 from the ean (between $599.50 and $600.50)?

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Data and Solutions - Class

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