Rachel has 5 cups of flour she needs 1/3 of flour for one jumbo muffin how many jumbo muffins can she make

The mean of a set of data is -3.82 and its standard deviation is 2.31. find the z score for a value of 3.99.

At dinner, 2/5 of the people had fish and 1/3 had chicken. if everyone else had lamb, what fraction of the people had lamb? and if 40 people had lamb , calculate the total number of people at the dinner.

John bought 2 horses at rs 20000 each