subject
Mathematics, 24.02.2020 23:59 electrofy456

A recent survey found that 7575% of all adults over 50 wear glasses for driving. In a random sample of 4040 adults over 50, what is the mean and standard deviation of those that wear glasses? Round the answers to the nearest hundredth.

ansver
Answers: 2

Another question on Mathematics

question
Mathematics, 21.06.2019 12:40
Definition: es. this is a disadvantage or weak point that makes someone or something less effective.
Answers: 2
question
Mathematics, 21.06.2019 22:30
Find the condition that the zeros of the polynomial f(x) = x^3+3px^2+3px+r may be in a.p.
Answers: 1
question
Mathematics, 21.06.2019 23:00
Janie has $3. she earns $1.20 for each chore she does and can do fractions of chores. she wants to earn enough money to buy a cd for $13.50.
Answers: 2
question
Mathematics, 22.06.2019 00:00
Mila's dog weighs 4 pounds more than 8 times the weight of keiko's dog. which expression could be used to fine te weight of mila's dog?
Answers: 2
You know the right answer?
A recent survey found that 7575% of all adults over 50 wear glasses for driving. In a random sample...
Questions
question
Mathematics, 02.12.2019 23:31
question
English, 02.12.2019 23:31
Questions on the website: 13722367