Sis buys 5 pieces of fabric each piece of fabric is 1 7/10 yards long what is the total length of the fabric she buys one yard of the fabric cost $5 how much does she pay for all five pieces of fabric

Three coins are flipped. what is the probability that there will be at least two tails?

2people are trying different phones to see which one has the better talk time. chatlong has an average of 18 hours with a standard deviation of 2 hours and talk-a-lot has an average of 20 hours with a standard deviation of 3. the two people who tested their phones both got 20 hours of use on their phones. for the z-scores i got 1 for the chatlong company and 0 for talk-a-lot. what is the percentile for each z-score?

Why is it so easy to buy on impulse and overspend with a credit card? what could you do to counteract this tendency?