The average greyhound can reach a top speed of 18.7 meters per second. A particular greyhound breeder claims her dogs are faster than the average greyhound. A sample of 45 of her dogs ran, on average, 19.1 meters per second with a population standard deviation of 1.6 meters per second. With α = 0.05, is her claim correct?
math assignment
A dart hits the circular dartboard shown below at a random point. Find the probability that the dart lands in the shaded circular region. The radius of the dartboard is
11in
, and the radius of the shaded region is
4in
.
Use the value
3.14
for
π
. Round your answer to the nearest hundredth.