Lucia's Bagel Shop has 20 bagels for sale, including 10 poppy seed bagels. What is the probability that a randomly selected bagel will be a poppy seed bagel?

Write your answer as a fraction or whole number.

P(poppy seed bagel) =

If 20% of a number is 35, what is 50% of that number?

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?

Noel is hoping to make a profit (in $) on the school play and has determined the function describing the profit to be f(t) = 8t – 2654, where t is the number of tickets sold. what does the number 8 tell you?