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probability that car needs oil is 1/7= 0.14 286
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(80 points) A sign on the pumps at a gas station encourages customers to have their...
(80 points) A sign on the pumps at a gas station encourages customers to have their...
(80 points) A sign on the pumps at a gas station encourages customers to have their oil checked, and claims that one out of 5 cars needs to have oil added. If this is true, what is the probability of each of the following: A. One out of the next four cars needs oil. Probability = B. Two out of the next eight cars needs oil. Probability - C. 10 out of the next 40 cars needs oll Probability
(1 point) A sign on the pumps at a gas station encourages customers to have their...
(1 point) A sign on the pumps at a gas station encourages customers to have their oil checked, and claims that one out of 2 cars needs to have oil added. If this is true (and assuming cars arriving independently), find the probability of each of the following: A. Exactly 1 of the next 4 cars needs oil. Probability = B. Exactly 2 of the next 8 cars needs oil. Probability =
(1 point) A sign on the pumps at a gas station encourages customers to have their oil checked, and claims that one out...
(1 point) A sign on the pumps at a gas station encourages customers to have their oil checked, and claims that one out of 5 cars needs to have oil added. If this is true (and assuming cars arriving independently), find the probability of each of the following: A. Exactly 1 of the next 4 cars needs oil. Probability = B. Exactly 2 of the next 8 cars needs oil. Probability =
Problem List Previous Problem Next Problem (4 points) When parking a car in a downtown parking...
Problem List Previous Problem Next Problem (4 points) When parking a car in a downtown parking lot, drivers pay according to the number of hours or fraction thereof. The probability distribution of the number of hours cars are parked has been estimated as follows: x 12 3456 78 P(X) 0.224 0.128 0.102 0.088 0.064 0.03 0.020.344 A. Mean B. Standard Deviation = The cost of parking is 4.25 dollars per hour. Calculate the mean and standard deviation of the amount...
Of all the customers at a gas station, 40% pay by credit card, and the rest...
Of all the customers at a gas station, 40% pay by credit card, and the rest use cash. (a) Find the probability that out of 5 random customers, at most 1 uses credit card. 0.375 5 x 0.4 x 0.64 0.69 + 5 x 0.4 x 0.64 0.05184 (b) Knowing that at most 1 out of the 5 customers paid using credit card, what is the conditional probability that all 5 customers used cash payment? Answer: Suppose that the customers...
Question 1 Snowfalls occur randomly and independently over the course of winter in a Nebraska...
Question 1 Snowfalls occur randomly and independently over the course of winter in a Nebraska city. The average is one snowfall every 3 days. a) What is the probability of 5 snowfalls in 2 weeks? Carry answer to the nearest ten-thousandths b) What is the probability of a snowfall today? Carry answer to the nearest ten-thousandths Question 2 After observing the number of children checking out books, a librarian estimated the following probability distribution of x,...
Darren Mack owns the "Gas n' Go" convenience store and gas station. After hearing a marketing...
Darren Mack owns the "Gas n' Go" convenience store and gas station. After hearing a marketing lecture, he realizes that it might be possible to draw more customers to his high-margin convenience store by selling his gasoline at a lower price. However, the "Gas n' Go' is unable to qualify for volume discounts on its gasoline purchases, and therefore cannot sell gasoline for profit if the price is lowered. Each new pump will cost $85,000 to install, but will increase...
Darren Mack owns the "Gas n' Go" convenience store and gas station. After hearing a marketing...
Darren Mack owns the "Gas n' Go" convenience store and gas station. After hearing a marketing lecture, he realizes that it might be possible to draw more customers to his high-margin convenience store by selling his gasoline at a lower price. However, the "Gas n' Go' is unable to qualify for volume discounts on its gasoline purchases, and therefore cannot sell gasoline for profit if the price is lowered. Each new pump will cost $130,000 to install, but will increase...
16. David's gasoline station offers 4 cents off per gallon if the customer pays in cash...
16. David's gasoline station offers 4 cents off per gallon if the customer pays in cash and does not use a credit card. Past evidence indicates that 40% of all customers pay in cash. During a one-hour period, 15 customers buy gasoline at this station. What is the probability that all 15 pay in cash? Multiple Choice 0.0 0.9 0.1 1.0 17. For the following distribution: x P(x) 0 0.900 1 0.09 2 0.007 3 0.003 What is the variance...
ONLY NEED H, I, J, K, L, M 1. (65 points: 5 points each) For each situation below, what is the most appropriate probability model for the random variable X? (no n a) Let X - how many customers will b...
ONLY NEED H, I, J, K, L, M
1. (65 points: 5 points each) For each situation below, what is the most appropriate probability model for the random variable X? (no n a) Let X - how many customers will buy a sofa tomorrow at Wolf's furniture store. b) In a program that provides free home inspections for seniors, let X- how many homes eed to specify parameter values) are inspected before one needs a new roof. c) Let X...
(80 points) A sign on the pumps at a gas station encourages customers to have their oil checked, and claims that one out of 5 cars needs to have oil added. If this is true, what is the probability of each of the following: A. One out of the next four cars needs oil. Probability = B. Two out of the next eight cars needs oil. Probability - C. 10 out of the next 40 cars needs oll Probability
(1 point) A sign on the pumps at a gas station encourages customers to have their oil checked, and claims that one out of 2 cars needs to have oil added. If this is true (and assuming cars arriving independently), find the probability of each of the following: A. Exactly 1 of the next 4 cars needs oil. Probability = B. Exactly 2 of the next 8 cars needs oil. Probability =
(1 point) A sign on the pumps at a gas station encourages customers to have their oil checked, and claims that one out of 5 cars needs to have oil added. If this is true (and assuming cars arriving independently), find the probability of each of the following: A. Exactly 1 of the next 4 cars needs oil. Probability = B. Exactly 2 of the next 8 cars needs oil. Probability =
Problem List Previous Problem Next Problem (4 points) When parking a car in a downtown parking lot, drivers pay according to the number of hours or fraction thereof. The probability distribution of the number of hours cars are parked has been estimated as follows: x 12 3456 78 P(X) 0.224 0.128 0.102 0.088 0.064 0.03 0.020.344 A. Mean B. Standard Deviation = The cost of parking is 4.25 dollars per hour. Calculate the mean and standard deviation of the amount...
Of all the customers at a gas station, 40% pay by credit card, and the rest use cash. (a) Find the probability that out of 5 random customers, at most 1 uses credit card. 0.375 5 x 0.4 x 0.64 0.69 + 5 x 0.4 x 0.64 0.05184 (b) Knowing that at most 1 out of the 5 customers paid using credit card, what is the conditional probability that all 5 customers used cash payment? Answer: Suppose that the customers...
Darren Mack owns the "Gas n' Go" convenience store and gas station. After hearing a marketing lecture, he realizes that it might be possible to draw more customers to his high-margin convenience store by selling his gasoline at a lower price. However, the "Gas n' Go' is unable to qualify for volume discounts on its gasoline purchases, and therefore cannot sell gasoline for profit if the price is lowered. Each new pump will cost $85,000 to install, but will increase...
ONLY NEED H, I, J, K, L, M
1. (65 points: 5 points each) For each situation below, what is the most appropriate probability model for the random variable X? (no n a) Let X - how many customers will buy a sofa tomorrow at Wolf's furniture store. b) In a program that provides free home inspections for seniors, let X- how many homes eed to specify parameter values) are inspected before one needs a new roof. c) Let X...
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