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1. In a random sample of male and female New York street performers between the ages of 22-35 you know that:
Compute the following probabilities:
a. P(woman is a spray paint artist and a faux statue)
b. P (woman is a spray paint artist or a faux statue)
c. P (man is a mime and a break dancer)
Found mean number of sticks of gum chewed per day was 9. Standard deviation of population is 1. At α = .05, is number of sticks of gum person chews per day actually is greater than 8?
Determine the percentage of households that have a credit card debt of more than $13,000.
The results are n = 65 and r = 0.37. Is there statistical evidence of a linear correlation between the two variables?
question consider the following tableynbspnbspnbspnbspnbspnbspnbspnbsp 0nbspnbspnbspnbspnbspnbspnbspnbsp
Test whether there is significant difference in the test anxiety level of the three groups using nonparametric test.
a. Prepare a symbolic scatter plot of the data. Does it appear that there are effects of the level of research and development expenditures on mean productivity improvement? Discuss?
Draw a scatterplot for the relationship between persons per household and year. Is the relationship linear or curvilinear? Is the association between persons per household and year positive or negative?
Roadmarking shall be determined by the retroreflectivity performance of glass beads in the road marking. The roadmarking average level of reflectivity over the City is to be not less than 150 mcd/sqm/lx and the minimum aceptable reflectivity is 120 m..
Formulate the hypothesis that can be used to determine whether the sample data support the hypothesis that the mean fuel efficiency rating for midsize cars is greater than the mean fuel efficiency for large cars.
Find the value of x that corresponds to each of these standard scores z = -1.85.
6 % have both defects. If you purchase one of the flashights in this shipment, find the probability that it has the following: defective bulb or a defective battery.
1. discuss an adult lifespan stage and related issues from physical cognitive and psychosocial aspects.2. we have
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