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Percentage of parents in favor of including cultural values in the mathematics curriculum:






90 70 80 76 81 82 76 84




89 59 76 78 75 89 79 89




92 42 58 84 75 90 80 78




82 68 82 82 68 78 79 80




72 54 83 80 78 79 80 84




81 69 78 78 80 82 81 90

Percentage of parents in favor of including cultural values in the mathematics curriculum:







90 70 80 76 81 82 76 84





89 59 76 78 75 89 79 89





92 42 58 84 75 90 80 78





82 68 82 82 68 78 79 80





72 54 83 80 78 79 80 84





81 69 78 78 80 82 81 90

You heard that red cars get so more often than cars of other colors which of the following statements is correct about the independent and deep end it variables in this example


If the monthly incomes of 800 professionals are normally distributed with a mean of $50,000 and a standard deviation of $10,000, calculate how many of these professionals have monthly incomes that are


There are N urns in which M balls are randomly scattered. Find the probability p that the given (for example, the first) urn contains exactly k balls.


The coin is tossed m times. Find the probability p that the head appears at least k times and at most l times


A student takes a test consisting of 20 true-false questions.

a) what is the probability that the student answers at least seven questions correctly?

b) what is the probability that the student answers at most three questions correctly?

c) what is the probability that the student answers at least four and at most six questions correctly


compute the mean variance and standard deviation of each sampling distribution .





when 25 samples are drawn with replacement







in the new apartment, 2k new light bulbs are included in the lighting network. Each light bulb burns out within a year with probability p. Find the probability that less than half of the original light bulbs will have to be replaced with new ones within a year.


4 independent shots are fired from the aircraft at the aircraft. The probability of hitting each shot is 0.3. Two hits are obviously enough to destroy (failure) an aircraft; with one hit, the aircraft is hit with a probability of 0.6. Find the probability that the aircraft will be hit.


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