subject
Mathematics, 20.11.2019 21:31 Pen350

The amount of time ricardo spends brushing his teeth follows a normal distribution with unknown mean and standard deviation. ricardo spends less than one minute brushing his teeth about 40% of the time. he spends more than two minutes brushing his teeth 2% of the time. use this information to determine the mean and standard deviation of this distribution.

ansver
Answers: 3

Another question on Mathematics

question
Mathematics, 21.06.2019 15:00
Three coins are flipped. what is the probability that there will be at least two tails?
Answers: 1
question
Mathematics, 21.06.2019 18:30
Angela took a general public aptitude test and scored in the 88th percentile for aptitude in accounting. what percentage of the scores were at or below her score?
Answers: 2
question
Mathematics, 21.06.2019 21:50
If you double the input of a function and it results in half the output, and if you triple the input and it results in a third of the output, what can be guessed about the function? check all that apply.
Answers: 3
question
Mathematics, 21.06.2019 23:00
Jim had 3,067.48 in his checking account he wrote a check to pay for two airplane tickets. his account now has 1,845.24.
Answers: 1
You know the right answer?
The amount of time ricardo spends brushing his teeth follows a normal distribution with unknown mean...
Questions
question
Mathematics, 20.11.2020 23:50
question
Mathematics, 20.11.2020 23:50
question
Health, 20.11.2020 23:50
question
Mathematics, 20.11.2020 23:50
question
Mathematics, 20.11.2020 23:50
Questions on the website: 13722363