Laila bought 20 strawberries. she ate 1 strawberry. what percentage of the strawberries did laila eat? 2% 3% 4% 5%

What is the celsius temperature that is equal to 94 degrees fahrenheit using the formula f=9/5 c+32

Add the fractions, and simply the result to lowest terms. 2/3 + 2/7= ?

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.