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Find the total of the areas under the standard normal curve to the left of z1=-1.96 and to the right of z2=1.96. Round your answer to four decimal places, if necessary.
Would it make sense to find the correlation with this data set? Why or why not?Would the correlation be positive, negative, or near 0?
Was this a one tail or two tail significance tests? Explain. To what extent are the pre and post test means scores statistically significant
Describe how the confidence intervals will change depending on whether the population standard deviation is known or unknown.
What is the size of your data set - what level (scale) of measurement is applicable to your data (nominal, ordinal, interval, ratio)? Supportyour answer briefly.
The accompanying results are the number of home burglaries during the test month for communities in which the respective publicity methods were employed. Use the 0.05 level in comparing the publicity techniques.
suppose fx y1 amp gx y xy 0lt x lt1 0lt ylt1 determine the most powerful test of size alpha .05 of hyp x y f vs. alt x
Determine the most likely outcome? Are events "alcohol involved" and "2 or more vehicles involved" mutually exclusive? Describe your reasoning.
Find a 95% confidence interval for the mean dielectric strength of the oil.
the mean price of a pound of ground beef in 75 cities in the midwest is 2.11 and the standard deviation is 0.56. a
The fire chief plans to visit 30 houses tomorrow. Set up a simulation model and replicate it N times to determine the probability that the chief will receive.
Jasmine believes that the thumbtack has an 80% probability of landing pin down. Winston believes that this probability is closer to 40%.
Selecting cards at random. In a standard deck of 52 cards, there are 13 spades, 13 hearts, 13 diamonds, and 13 clubs.
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