Chapter 5: Q.7 (page 346)
What is the area under f(x) if the function is a continuous probability density function?
The area under will be if the function is continuous probability density function
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In a small city, the number of automobile accidents occur with a Poisson distribution at an average of three per week.
a. Calculate the probability that there are at most accidents occur in any given week.
b. What is the probability that there is at least two weeks between any accidents?
The age of a first grader on September 1 at Garden Elementary School is uniformly distributed from to years.
We randomly select one first grader from the class.
a. Define the random variable. = _________
b. _________
c. Graph the probability distribution.
d. = _________
e.= _________
f. = _________
g. Find the probability that she is over years old.
h. Find the probability that she is between four and six years old.
i. Find the percentile for the age of first graders on September 1 at Garden Elementary School.
Use the following information to answer the next ten questions. The data that follow are the square footage (in feet squared) of homes
The sample mean and the sample standard deviation The distribution can be written as
What type of distribution is this?
Find the amount (percent of one gram) of carbon-14 lasting less than 5,730 years. This means, find P(x < 5,730).
a. Sketch the graph, and shade the area of interest
b. Find the probability. P(x < 5,730) = __________
Use the following information to answer the next eight exercises. A distribution is given as .
What isa? What does it represent?
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