Chapter 5: Q.14 (page 311)
Find the probability that x falls in the shaded area.
Short Answer
The probability that falls in the shaded area is:
Chapter 5: Q.14 (page 311)
Find the probability that x falls in the shaded area.
The probability that falls in the shaded area is:
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Get started for freeUse the following information to answer the next ten questions. The data that follow are the square footage (infeet squared) of homes
The sample mean = and the sample standard deviation = The distribution can be written as
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.
What does the shaded area represent? P(___< x < ___)
Carbon-14 is a radioactive element with a half-life of about
5,730 years. Carbon-14 is said to decay exponentially. The decay rate is 0.000121. We start with one gram of carbon-14.
We are interested in the time (years) it takes to decay carbon-14. What is the decay rate (m)?
,a continuous probability function, is equal to and the function is restricted to . What is ?
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