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Q1. For the following questions, would the following be considered significant if its probability is less than or equal to 0.05?
Is it significant to get a 12 when a pair of dice is rolled?
Q2. Assume that a study of 500 randomly selected school bus routes showed that 480 arrived on time. Is it significant for a school bus to arrive late?
Q3. If you flip a coin three times, the possible outcomes are HHH, HHT, HTH, HTT, THH, THT, TTH, and TTT. What is the probability of getting at least one head.
A mean score on a standardized test is 50 with a standard deviation of 10. Answer the following
question the calculations for a factorial experiment involving four levels of factor a three levels of factor b and
If there is an outage, there is a .05 probability that the resulting losses will be very large, approximately $ 80 million in lost earnings. Also, it is estimated that there is a .95 probability of only slight losses of around $ 1 million. What is..
the thickness of a flange on an aircraft component is uniformly distributed between 0.95 and 1.05 millimeters.a
a four year financial project ha net cash flows of 2000025000 30000 50000 in the next four years. it will cost 75000
an airline claims that 65 of its flights depart on time. a sample of 100 flights was examined and it was determined
Would the null hypothesis that the 2007 median household income was $50,000 be rejected at the 10% significance level in favor of the two-sided alternative? (Choose the correct answer)
given that fz 1radic2pie-z22 -infin lt z lt infin is the probability density function for the standard normal random
Using the appropriate statistical procedure on the SPSS, test the between group means for a significant difference.
Critically discuss the difference between the "skewedness" of the distribution of a dataset and its "kurtosis"? What is the expected value (EV) of an investment if there is a 20% chance of realizing a return of $20,000 or a 55% chance of realizing a..
A faculty group wants to determine whether job rating (x) is a useful linear predictor of raise (y). Consequently, the group considered the linear regression model:
A population has a standard deviation of 16. If a sample of size 64 is selected from this population, what is the probability that the sample mean will be within 2 of the population mean?
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