Mathematics, 17.07.2020 23:01 19youngr
400 people are asked if they drink tea.
1 say Yes and 20% of the people who say Yes drink at least 3 cups each day.
a) Complete the frequency tree.
b) What fraction of the 400 people
drink at least 3 cups of tea
each day?
Give your answer in it simplest form
Answers: 3
Mathematics, 22.06.2019 00:30, Delgadojacky0206
The water company charges a residential customer $41 for the first 3,000 gallons of water used and $1 for every 200 gallons used over 3000 gallons. if the water bill was $58 how many gallons of water were usedanswersa 3400 gallonsb 6000 gallonsc 6400 gallons d 7000 gallons
Answers: 2
Mathematics, 22.06.2019 00:50, ladnerhailey16
Assume that adults have iq scores that are normally distributed with a mean of mu equals 100 and a standard deviation sigma equals 20. find the probability that a randomly selected adult has an iq between 80 and 120.assume that adults have iq scores that are normally distributed with a mean of mu equals 100 and a standard deviation sigma equals 20. find the probability that a randomly selected adult has an iq between 80 and 120.
Answers: 3
400 people are asked if they drink tea.
1 say Yes and 20% of the people who say Yes drink at least...
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