Math

StatisticsQ&A LibraryThe age of children in kindergarten on the first day of school is uniformly distributed between 4.71 and 5.91 years old. A first time kindergarten child is selected at random. Round answers to 4 decimal places if possible. The mean of this distribution is The standard deviation is The probability that the the child will be older than 5 years old? The probability that the child will be between 5.01 and 5.51 years old is If such a child is at the 67th percentile, how old is that child? years old.Start your trial now! First week only $4.99!*arrow_forward*

Question

The age of children in kindergarten on the first day of school is uniformly distributed between 4.71 and 5.91 years old. A first time kindergarten child is selected at random. Round answers to 4 decimal places if possible.

- The mean of this distribution is
- The standard deviation is
- The probability that the the child will be older than 5 years old?
- The probability that the child will be between 5.01 and 5.51 years old is
- If such a child is at the 67th percentile, how old is that child? years old.

Tagged in

Math

Statistics

Find answers to questions asked by students like you.

Q: The number of chocolate chips in an 18-ounce bag of chocolate chip cookies is approximately normall...

A: Note:Hey, since there are multiple sub-parts question posted, we will answer first three sub-parts a...

Q: Find the z-scores that separate the middle 48%of the distribution from the area in the tails of th...

A: Computation of probability of the area above and below the 48% of the distribution from the area:Fro...

Q: A random sample of 200 television programs contained an average of 5.25 acts of physical violenceper...

A: Confidence interval for mean:The formula for confidence interval is as follows:

Q: The three-year recidivism rate of parolees in a certain state is about 20%; that is, 20% of paro...

A: Solution:Binomial distribution:The binomial distribution gives the probability of number of successe...

Q: The article "Facebook Use and Academic Performance Among College Students"† estimated that 87% perce...

A: It is given that the population proportion is 0.87. In the survey the sample proportion van be obtai...

Q: A marketing firm wishes to estimate the standard deviation of the ages of college students. How many...

A: It is given that the margin of the error E is 0.05σ, respectively. The level of confidence is 0.95.

Q: Consider the following data: x −4 −3 −2 −1 0 P(X=x) 0.1 0.1 0.1 0.3 0.4 Find the e...

A: Given Data and calculation for the Expected value is shown below

Q: Assume that random guesses are made for ninemultiple choice questions on an SAT test, so that there...

A: Given datan = 9p= 0.4Applying Binomial theoremProbability of x success out of n trial is given by

Q: Use the standard normal distribution (aka z distribution where mu = 0 and sigma = 1) to determine th...

A: The middle 95% of the data is,