High school Hockey Golf Est Valley
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A high school is chosen at random from this list
Let event A - The high school has a hockey team
Let event 8. The high school has a golfteam
6. Which is schools offer
3. Which high schools offer they
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If f(x)=-x^2+6x-1 and g(x)=3x^2-4x-1,find(f+g)(x)

Asurvey of 2,000 doctors showed that an average of 3 out of 5 doctors use brand x aspirin. how many doctors use brand x aspirin

Afactory makes propeller drive shafts for ships. a quality assurance engineer at the factory needs to estimate the true mean length of the shafts. she randomly selects four drive shafts made at the factory, measures their lengths, and finds their sample mean to be 1000 mm. the lengths are known to follow a normal distribution whose standard deviation is 2 mm. calculate a 95% confidence interval for the true mean length of the shafts. input your answers for the margin of error, lower bound, and upper bound.