20. The table below gives the number of days it takes for packages to be delivered from an online retailer and the probability associated with each number of days. Number of Days Probability 3 0.01 4 0.14 5 0.46 6 0.25 0.14 7
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Find the standard deviation of the
random variable.
A) 0.9897
B) 0.7940
C) 1.0135
D) 0.9236
E) 0.8688
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- Fill in the blank: A nonparametric test has less OA. power O B. type II error rates OC. standard deviations OD. means OE. None of the above than a t test.The round off errors when measuring the distance that a long jumper has jumped is uniformly distributed between 0 and 5.8 mm. Round values to 4 decimal places when possible. b. The standard deviation is c. The probability that the round a. The mean of this distribution is off error for a jumper's distance is exactly 0.3 is P(x-03)-d. The probability that the round off error for the distance that a long jumper has jumped is between 0 and 5 8 mm is PC1.7 x 5.2)- that the jump's round off error is greater than 1.76 is P(x > 1.76) Find the 81st percentile. e. The probability f P(x > 1.4 x > 0.6) h. Find the mnmum for the upper quartile.3) Answer each question using the list of numbers provided below and use STDEV equation provided. Hint: Standard Deviation = VE(Xi – Mean)²/(n – 1) - Set A {-16,0,16,15,25} Mean= Standard Deviation:
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