Kia has 10 coins in a bag. There are three £1 coins and seven 50 pence coins.
Kia takes at random, 3 coins from the bag.
Work out the probability that she takes exactly £2.50

Can someone check if i did this right since i really want to make sure it’s correct. if you do you so much

Timmy uses 1 1 2 cups of sugar for every 2 gallons of lemonade he makes. how many cups of sugar would timmy use if he makes 13 gallons of lemonade?

Amajor grocery store chain is trying to cut down on waste. currently, they get peaches from two different distributors, whole fruits and green grocer. out of a two large shipments, the manager randomly selects items from both suppliers and counts the number of items that are not sell-able due to bruising, disease or other problems. she then makes a confidence interval. is there a significant difference in the quality of the peaches between the two distributors? 95% ci for pw-pg: (0.064, 0.156)