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The average number of acres burned by forest and range fires in a large Wyoming county is 4,300 acres per year, with a standard deviation of 750 acres. The distribution of the number of acres burned is normal.
a. Compute the probability that more than 5,000 acres will be burned in any year.
b. Determine the probability that fewer then 4,000 acres will be burned in any year.
c. What is the probability that between 2,500 and 4,200 acres will be burned?
d. In those years when more than 5,500 acres are burned, help is needed from eastern-region fire teams. Determine the probability help will be needed in any year.
Biddle and Hamermesh built a multiple regression model to study the tradeoff between time spent in sleeping and working and to look at other factors affecting sleep.
An opinion poll was taken to see how people felt about Health Care reform. Previous poll results indicate that within a particular population 34% were for reform, 41% were against reform, and 25% were uncertain.
What I need are relevant questions for a survey questionnaire that will be valid for testing each of 3 hypotheses. Include the variables tested.
the results of a mathematics placement exam at two different campuses of mercy college followcampus
anorexia nervosa an is a psychiatric condition leading to substantial weight loss among women fearful of becoming
the fill volume of an automated filling machine used for filling cans of carbonated beverage is normally distributed
Construct a distribution to represent the population such that the survey result above may be seen as a sample from the population.
A student throws a deck of cards into the air and then counts the number of cards that, after landing, are showing the face of the card
For the variables, HOME, ARREST, TENURE and SIBS, identify the correct measure of dispersion and explain why it is appropriate. Locate the values for the measure on the tables and report them for each variable
Summary of the problem: Give a brief description of the variable and whether the scale of measurement is nominal, ordinal, interval, or ratio, and why. Explain what it means to say that this variable is "normally distributed." Then, define probabi..
On Saturday morning, calls arrive at TicketMaster at a rate of 108 calls per hour. What is the probability of fewer than three calls in a randomly chosen minute?
Tommy's allowance is $5.50 per week. How much is that using the least number of dollars and dimes
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