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At a certain university, 30% of the students who take basic statistics are firstyear students, 35% are sophomores, 20% are juniors, and 15% are seniors.
From records of the statistics department it is found that out of the first-year students who take the basic statistics course 20% get As; out of the sophomores who take the course 30% get As; out of the juniors 35% get As; and out of the seniors who take the course 40% get As.
Given that a student got an A in basic statistics, what is the probability that she or he is a senior?
A standard deviation of 1.00 degrees C. Find the probability that a randomly selected thermostat reads greater than -0.74 and draw a sketch of the region.
One of the most famous probability calculations is called the "birthday problem". In probability theory, the birthday problem or birthday paradox concerns the probability that, in a set of n randomly chosen people
using the solution from problem 5 and given the list of crash times and costs determine the new diagram and
If 37% of high school students said that they exercise regularly, find the probability that 5 randomly selected high school students will say that they exercise regularly.
could someone please help me with the question below? i am struggling with understanding this.thank you.discuss how to
the monthly earnings of computer programmers are normally distributed with a mean of 4000. if only 1.7 of programmers
the results of a recent poll on the preference of voters regarding the presidential candidates are shown below. voters
The latter is a random variable (any function of a random variable is a random variable). So what"s the corresponding fact about conditional expectation?
A box of 9 gloves contains two left handed gloves and seven right handed gloves. If two gloves are randomly selected from the box, without replacement, what is the probability that both gloves will be right handed?
a consumer testing agency obtains 4 cars randomly from each of the folliwng three makers 1 2 3. we wish to compare
What is a hypothesis? What is the distinction between a hypothesis and a prediction?- What information does the researcher communicate in each of the sections of a research article?
Discuss why sampling is essential to many research designs, and why, if done correctly may be more accurate than attempting census measurement.
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