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Mimi plans make a random guess at 10 true-or-false questions.
(a) Let X be the number of correct answers Mimi gets. What is the number of trials (n), probability of successes (p) and probability of failures (q), respectively?
(b) Find the probability that she gets at most 5 correct answers. (Round the answer to 3 decimal places.
a biased coin is flipped twice. there is a 59 probability that it will land heads on at least one of the two flips.
Based on data from Neilsen Media Research survey 44% of 5108 randomly selected households had their televisions sets tuned to the Superbowl on game day. Identify the sample, the population, and explain if the sample is likely to be representative ..
What influences the probability of a Type II error? - What is the difference between statistical significance and practical significance?
Construct a stem-and-leaf display for these data.- Construct a frequency distribution for these data.- Determine the interval width and the class mark for each of the classes in your frequency distribution.
What is the probability that the number of heads equals the value of the card (where we count jacks, queens, and kings as 10, and count aces as 1)?
Find the probability that such an elephant's weight exceeds 13,000 pounds. Use the empirical rule.
Suppose a small bicycle manufacturer makes cheap bikes that sell for 180$ each. The total cost of producing x bikes (in $) is given by c(x)=6000+240x-0.8x^2, where x is up to 200 bikes.
Nine voters are drawn at random from a large population consisting of 35% Conservatives (C), 25% Liberals (L) and 40% New Democrats (N).
Use of academic assistance services. Use a goodness-of-fit test to examine how well your university reflects the national average
If you were to accept the null hypothesis, even though the null hypothesis was false, what type of error would you have commited?
The dataset Length.jmp contains a simple random sample of 50 stainless steel sheet metal screw from Crown Bolt
In a known population of children, aggression is normally distributed with a µ=25, and s=12.
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