Mathematics, 25.07.2020 21:01 alexa3941
Squirrel, 37 feet up in a tree, sees a dog 29 feet from the base of the tree. Find the measure of the angle of depression to the nearest degree.
Answers: 2
Mathematics, 21.06.2019 17:10
The number of chocolate chips in an 18-ounce bag of chocolate chip cookies is approximately normally distributed with a mean of 1252 chips and standard deviation 129 chips. (a) what is the probability that a randomly selected bag contains between 1100 and 1500 chocolate chips, inclusive? (b) what is the probability that a randomly selected bag contains fewer than 1125 chocolate chips? (c) what proportion of bags contains more than 1225 chocolate chips? (d) what is the percentile rank of a bag that contains 1425 chocolate chips?
Answers: 1
Mathematics, 21.06.2019 19:30
Acar started driving from city a to city b, distance between which is 620 miles, at a rate of 60 mph. two hours later a truck left city b and started moving towards city a at a rate of 40 mph. what distance from city a is the point where the truck and the car will meet?
Answers: 1
Mathematics, 21.06.2019 19:40
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.
Answers: 3
Squirrel, 37 feet up in a tree, sees a dog 29 feet from the base of the tree. Find the measure of th...
Mathematics, 07.05.2021 17:10
Mathematics, 07.05.2021 17:10
History, 07.05.2021 17:10
Mathematics, 07.05.2021 17:10
Mathematics, 07.05.2021 17:10
Mathematics, 07.05.2021 17:10
Mathematics, 07.05.2021 17:10