A certain cars gas mileage follows a normal distribution with an average of 27.8 mpg per trip and a standard deviation of 3.2 mpg per trip. What type of distribution is this (continuous or discrete) . A trip with a 34.16 mpg would have a zscore of________ (round to 2 decimals). The probability to two decimal places of getting 34 mpg or better would be ________
A certain cars gas mileage follows a normal distribution with an average of 27.8 mpg per...
The combined gas mileage of mid-size cars varies with mean 25 miles per gallon (mpg) and a standard deviation of about 5.3 mpg. A particular rental car agency typically has 88 midsize cars in its lot. Assume the distribution of combined gas mileage of mid-size cars is Normal. Find the probability that the combined gas mileage for a randomly selected car in the lot is higher than 25 mpg. Find the probability that the mean combined gas mileage for all...
a certain car model has a mean gas mileage of 34 Miles per
gallon (mpg) with a population standard deviation for. A pizza
delivery company buys a sample of 54 of these cars. What is the
probability that the average mileage of the fleet is greater than
33.7 MPG?
Question 14 (3 points) A certain car model has a mean gas mileage of 34 miles per gallon (mpg) with a population standard deviation 4. A pizza delivery company buys a...
A certain car model has a mean gas mileage of 34 miles per gallon with a standard deviation of 4 mpg. A pizza delivery conpany buys 54 of these cars. What is the probability that the average mileage of the fleet is between 33.3 and 34.3 mpg?
A certain car model has a mean glass milage of 34 miles per
gallon (mpg) with a standard deviation 5mpg. A pizza delivery
company buys 43 of these cars. What is the probability that the
average milage of the fleet is greater than 33.5 mpg?
33) A certain car model has a mean gas mileage of 34 miles per gallon (mpg) with a standard deviation 5 mpg. A pizza delivery company buys 43 of these cars. What is the probability...
A certain model of automobile has its gas mileage (in miles per gallon, or mpg) normally distributed, with a mean of 26 mpg and a standard deviation of 4 mpg. Find the probability that a car selected at random has the following gas mileages. (Round your answers to four decimal places.) (a) less than 20 mpg (b) greater than 28 mpg (c) between 24 and 28 mpg
Cars of a certain type have mileage that are normally distributed with a mean of 23.9 mpg with a standard deviation of 1.2 mpg. If 13 cars of this type are randomly selected, find the probability that their mean mileage is between 24 mpg and 26 mpg. Group of answer choices 0.3085 0.3821 0.428 0.1357
A certain car model has a mean gas mil standard deviation 3 mpg. A pizza del probability that the average mileage of 1 car model has a mean gas mileage of 28 miles per gallon (mpg) with a delivery company buys 47 of these cars. What is the mity that the average mileage of the fleet is greater than 27.3 mpg?
Suppose you buy a new car whose advertised mileage is 26 miles per gallon (mpg). After driving your car for several months, you find that its mileage is 21.3 mpg. You telephone the manufacturer and learn that the standard deviation of gas mileages for all cars of the model you bought is 1.22 mpg. a. Find the z-score for the gas mileage of your car, assuming the advertised claim is correct. b. Does it appear that your car is getting...
Question 11 (Mandatory) (1 point) A certain car model has a mean gas mileage of 29 miles per gallon (mpg) with a standard deviation 4 mpg. A pizza delivery company buys 59 of these cars. What is the probability that the average mileage of the fleet is between 28.9 and 29.6 mpg? O 0.8749 O 0.5497 O 0.4247 O 0.4515 Question 12 (Mandatory) (1 point) Which of the following must be included within a 99% confidence interval for the population...
The average gas mileage of a certain model car is 29 miles per gallon. If the gas mileages are normally distributed with a standard deviation of 2.4, find the probability that a car has a gas mileage of between 30 and 35 miles per gallon.