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Five fair dice were tossed, and the sum of the resulting tosses was recorded. This process was repeated 10,000 times using a computer simulation.
The number of times the sum of the five tosses equaled 27 was 45. What is the estimated probability that the sum of the five dice will be 27?
A town orchestra is holding auditions for 3 new flute players and 4 new trumpet players. If 8 flutists try out, and 11 trumpeters try out, how many ways can the conductor choose his new members?
Describe to a person who has never taken a course in statistics the meaning of a grouped frequency table.
a local authority installs 2000 electric lamps. the life of lamps in hours x follows a normal distribution where
Now that you are an adult, you decide to test one of the truisms passed along by your mother: "Cheaters never win in the end." You randomly assign a group of 20 children to either cheat or to play fair on a scavenger hunt.
(a) What is the probability of drawing a red chip from the bag? (b) Given that the chip that is drawn from the bag at the end is red, what is the conditional probability that the chip drawn from the box was white?
Studies comparing a quantitative measure of groups who did or did not receive psychotherapy show that the therapy group improves significantly more than the nontherapy group. What statistical technique will answer the question, How effective is ps..
question when do americans decide what to make for dinner? an outline survey indicated that 74 of americans decided
Consider the Canadian Federation of Students' successful lobbying to boycott clothing sales on campus that are the result of worker exploitation:
Noise is measured in decibels, denoted as dB. One decibel is about the level of the weakest sound that can be heard in a quiet surrounding by someone with good hearing; a whisper measures about 30 dB.
the state criminology lab must sometimes estimate a persons height from partial skeleton remains. a random sample of
How optimal or non-optimal is today's level of economic inequality in the USA? This is the subject for a couple of writing assignments. Are we too equal? Too unequal? About right?
Which measures of central tendency will always have but one (1) value for a set data?
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