quick survey of peanut butter prices had standard deviation and mean of $0.26 and $3.68, respectively. Compute the area for a peanut butter jar costing more than $4.25.

The mean value of land and buildings per acre from a sample of farms is ​$1600​,with a standard deviation of ​$300.The data set has a​ bell-shaped distribution. Assume the number of farms in the sample is 75.   Use the empirical rule to estimate the number of farms whose land and building values per acre are between ​$1300 and ​$1900.

A quick survey of peanut butter prices had standard deviation and mean of $0.26 and $3.68, respectively. Compute the area for a peanut butter jar costing between $3.50 and $4.25.

The annual per capita consumption of ice cream (in pounds) in the United States can be approximated by a normal distribution, with mean 20.7 lb, and standard deviation 4.2lb. Between what two values does the middle 95% of the consumptions lie?

Find the percentage of area under a normal curve between the mean and the given number of standard deviations from the mean. This problem can be solved using technology or the table for the standard normal curve from your text.   −0.4 The percentage of area under the normal curve between the mean and −0.4 standard deviations from the mean is

A quantitative data set has mean 15 and standard deviation 2. what is percentage lies between 13 and 17

A quantitative data set has size 50. At least how many observations lie within three standard deviations to either side of the mean?

Based on data from a​ college, scores on a certain test are normally distributed with a mean of 1531 and a standard deviation of 324. Complete part below. b. Find the percentage of scores less than 1401.

The average driver spends $54 at the gas station each week with a standard deviation of $8. Assuming that the amount a driver spends on gas follows a normal distribution, solve for the percentage of drivers who spend: 1. More than $40? 2. Less than $30? 3. Between $30 and $40

A quick survey of peanut butter prices had standard deviation and mean of $0.26 and $3.68, respectively. Compute the area for a peanut butter jar costing more than $4.25. Check Answer