Compute probability of chages less than a value

Assignment Help Basic Statistics

Reference no: EM13146100

The mean amount of gasoline and servies charged by Key Refining Company credit customers is $70 per month. The distribution of amonuts spend is approximately normal with a standard deviation of $10. Compute the probability of selecting a credit card customer at random and finding the customer charged between $70 and $83 last month. Compute the probability of chages less than $54.

Reference no: EM13146100

Questions Cloud

Determine the products and not necessarily : Predict the products for the following set of reactants- PCl3(l) + H2O(l) ? (You are just asked to determine the products and not necessarily balance the equation)

What gametes are possible for a female phoenix : What gametes are possible for a female phoenix whose mother was homozygous dominant for both traits and whose father was homozygous recessive for both traits?

Personal expenses on variable and fixed basis : Analyze your personal expenses on a variable and fixed basis. What are some of your personal fixed costs and variable costs? What would cause them to change?

Determine the theoretical and percent yields of ethanol : Determine the theoretical and percent yields of ethanol if 684g sucrose undergoes fermentation and 349g ethanol is obtained?

Compute probability of chages less than a value : Compute the probability of selecting a credit card customer at random and finding the customer charged between $70 and $83 last month.

What was the new pressure in kpa : The volume of a gas dropped from 300 ml to 280 ml when the original pressure of 200 torr was increased. what was the new pressure in kpa if the temperature is held constant

Which reaction was most affected by this limiting factor : Why was the increase in rate of photosynthesis dependent on the brightness of light at temperatures between 0 celcius to 30 celcius?

Annuity with change in interest rate : Jan Green established a savings account for her son's college education by making annual deposits of $6,000 at the beginning of each of six years to a savings account paying 8%.

Why do diminishing returns occur : Why do diminishing returns occur? D. Identify the production levels where increasing and negative returns occur, if any.

User Account

All Pages