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A shape is randomly selected from the following quadrilaterals: parallelogram, rhombus, rectangle, square, and trapezoid. What is the probability that it has four right angles, given that it has four congruent sides? Is this Independent, dependent, or theoretical probaility? (Solve with simplified answer)
Of the 100 students enrolled at the dance studio, 50 take ballet and 24 take tap dancing. Eight of the students who take ballet also take tap dancing. If a student at the studio is chosen at random, find the probability that they take ballet, if it is known that they do not take tap dancing.
Can you provide another explanation for this one: Zc/Tc for 86% confidence interval when the sample size 50?
If random samples, each with n = 4 scores, are selected from a normal population with MK = 80 and o=10
assume that x is a poisson random variable with icircfrac14 20. calculate the following probabilities. round your
Suppose that this is a simple random sample of adult residents of Maine.
a. Construct a simple tabulation in which the counts are according to the type of engine. b. Construct a cross-tabulation describing the fleet, using type of engine and type of transmission as the categorization variables. c. Construct a display s..
suppose we generate a random variable x in the following way. first we flip a fair coin. if the coin is heads take x to
Both SAT and ACT scores are normally distributed. What is the probability that a randomly selected high school senior's score on the mathematics part of the SAT will be more than 630?
a college requires applicants to have an act score in the top 12 of all test scores. the act scores are normally
What is the percentage of variation in the dependent variable explained by the variation in the independent variable.
What are the appropriate measure(s) to use in describing the average, shape, and spread of the data according to the scale of measurement for the data (nominal, ordinal, interval/ratio)
a study of peach trees found that the average number of peaches per tree was 825. the standard deviation of the
Give an example representing a discrete probability distribution and another example representing a continuous probability distribution. Explain why your choices are discrete and continuous.
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