a highschool janiyor has 140 keys on his key chain. of these 140 keys, 100 open classroom doors, 80 open the door to the teachers’ lounge, and 60 open classroom doors and

The weight of full–grown tomatoes at a farm is modeled by a normal distribution with a standard deviation of 18.4 grams. the 95 percent confidence interval for the mean weight of the tomatoes is calculated using a sample of 100 tomatoes. what is the margin of error (half the width of the confidence interval)?

Lydia collected two sets of data one set of data shows an outlier. which set has an outlier, and which number is the outlier?

What are the exclude value of mn+3m