A probability distribution has a mean of 45 and a standard deviation of 1. Use Chebychev's inequality to estimate the probability that an outcome of the experiment lies between 43 and 47.
a. At least 0.04
b. At least 0.25
c. At least 0.75
d. At least 0.5
e. At least 0.8
c. At least 0.75
Mathematics
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Simplify the expression using positive exponents only.6-6/7 ? 6-1/7
A. -68/7
B. -6
C. 
D. 
Mathematics
Evaluate the following expression using a unit circle.sec 0
A. 
B. 1
C. 0
D. Undefined
Mathematics
Use a proportion to solve the problem.Jim drove 322 miles in 7 hours. If he can keep the same pace, how long will it take him to drive 874 miles?
A. 19 hours B. 2254 hours C. 38 hours D. 29 hours
Mathematics
In the previous problem, the local truncation error in 
is
Select the correct answer.
?
A. 
, where 
B. 
, where
C. , where
D. 
, where
E. unknown
Mathematics