subject
Mathematics, 03.03.2021 17:10 anonymous1813

4) The number of hours per day a college student spends on homework has a mean of 5 hours and a standard deviation of 1.25 hours. Yesterday she spent 2 hours on homework. How
many standard deviations from the mean is that?

ansver
Answers: 2

Another question on Mathematics

question
Mathematics, 21.06.2019 13:30
We must first determine the shape of a rectangular prisms _ a0 to find area of the prism
Answers: 3
question
Mathematics, 21.06.2019 16:30
Aiden buys two bags of chips at $1.09 each and a 20 ounce soda for $1.20 at the gas station.he knows that the state tax is 5.5. how much change will he receive from a $5 bill?
Answers: 1
question
Mathematics, 21.06.2019 16:50
Rockwell hardness of pins of a certain type is known to have a mean value of 50 and a standard deviation of 1.1. (round your answers to four decimal places.) (a) if the distribution is normal, what is the probability that the sample mean hardness for a random sample of 8 pins is at least 51?
Answers: 3
question
Mathematics, 21.06.2019 17:10
Jessica and martha each have a bag of cookies with unequal quantities. they have 30 cookies total between the two of them. each of them ate 6 cookies from their bag. the product of the number of cookies left in each bag is not more than 80. how many more cookies will jessica have martha? if x represents the number of cookies jessica started with, complete the statements below.the inequality that describes the relationship between the number of cookies each one of them has is x^2 - x +224 > = 0.jessica has at least cookies more than martha.
Answers: 3
You know the right answer?
4) The number of hours per day a college student spends on homework has a mean of 5 hours and a sta...
Questions
question
Mathematics, 10.07.2019 00:30
question
Mathematics, 10.07.2019 00:30
Questions on the website: 13722363