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If when measured in degrees Celsius, temperature is normally distributed with mean 115 and standard deviation 2, what can be said about the distribution of temperature measured in degrees Fahrenheit?
A student is taking a multiple choice exam in which each question has four choices . Assume that the student has knowledge of a correct answer to any of the questions.
At the .01 level of significance, is the true mean greater than 10?
question 1 a breeder records probabilities for two variables in a population of animals using the two-way tablegiven
Probability values based on normal distribution - What can you say about the shape of the distribution of sample mean and find the standard error of the distribution of the sample mean?
Sampling area consisted of an area of 120m x 50m within site two and was bordered by a road on one side and a stream on another.
Before giving the denition of the binomial probability distribution, try to derive it by using the sample-point approach. How?
Develop a probability distribution for the number of travelers who plan their trips within two weeks of departure.
a number of tubes of toothpaste purchased by a typical family is a random variable having a poisson distribution with
One of the 4 bus drivers is also randomly selected. Let Y denote the number of students on his bus. Compute the expectations and variances of X and Y?
Consider random variables X and Y with a joint pmf, given in the following table. Compute the conditional expectations E[X|Y = 1] and E[X|Y > 1].
A standard deviation of 218 KWh. For a randomly selected home, find the probability that the February energy consumption level is greater than 1,000 KWh.
A U.S. Travel Data Center survey of 1500 adults found that 42% of respondents stated that they favor historical sites as vacations. Find the 99% confidence interval of the true proportion of adults who favor visiting historical sites as vacations.
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