Find probability that family-s monthly gasoline lie in range

Assignment Help Basic Statistics

Reference no: EM13123177

The average monthly gasoline purchase for a family with 2 cars is 85 gallons. This statistic has a normal distribution with a standard deviation of 12 gallons. A family with 2 cars is chosen at random.

(a) Find the probability that the family's monthly gasoline purchases will be between 80 and 90 gallons.

(b) Find the probability that the family's monthly gasoline purchases will be less than 75 gallons.

Reference no: EM13123177

Questions Cloud

Explain detailed explanation to separation of variables : The problem that I'm having is that there is a nonconstant factor of (x^2+y^2+z^2)^(-1/2) appearing on the RHS of this equation, making it non-trivial to solve.

What mass of o2,in grams,is required : Ethane C2H6 burns in oxygen a.) what are the products of reaction b.)write the balanced equation for the reaction

Determine the amount of income allocated to each partner : Sharp and Townson had capital balances of of 60,000 and 90,000 respectively at the beginning of the current fiscal year.

Find probability that family-s monthly gasoline lie in range : Find the probability that the family's monthly gasoline purchases will be between 80 and 90 gallons. Find the probability that the family's monthly gasoline purchases will be less than 75 gallons.

Book income to differ from taxable income : List one difference that can cause a corporations book income to differ from its taxable income. Provide an example of a transaction to illustrate this difference. Why do you think these differences exist, and that IRS and GAAP/IFRS regulations ca..

How long would it take in conversion of water in steam : How long would it take for 1.50 mol of water at 100.0 degrees Celsius to be converted completely into steam if heat were added at a constant rate of 15.0 J/s.

Interpreting graphs and charts in math : In a percent change graph of an average teachers annual salary the bars representing successive years are either unchanged or decreasing in size.

Perform the anova test and state the results : The data collected was for each car for each type of fuel. Performance was measured in miles per gallon. Perform an ANOVA test and state the results.

User Account

All Pages