The names of 9 boys and 2 girls are in a hat. What is the probability of first drawing a girl’s name and then a boy’s name from the hat?

In a school 2/3 of the students study a language of those who study a language 2/5 study french

The jewelry store is having a sale. necklaces that were regularly priced at $23.50 are on sale for $18.80. what is the percentage of decrease in the price of necklaces?

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)?