A study shows that the normal time that a customer occupied a table in a fine dine restaurant is 1.2 hours with a standard deviation of 0.4 hour. A food entrepreneur wants to find the probability that customers occupying 25 tables would have an average time of less than 1 hour. Question: 1. What is the probability that the customers occupying 25 tables would have an average time of less than 1 hour? A. 62% B. 0.62% C. 99%

Q: A study indicates that 18- to 24-year olds spend a mean of 145 minutes watching video on their…

A: given data normal distributionμ = 145 minutesσ = 20 minutes

Q: The weights of sheep available for sale for during Eid Qurban is normally distributed with a mean…

A: From the provided information, Population mean (µ) = 45 kgs Population standard deviation (σ) = 5…

Q: A physical fitness association is including the mile run in its school fitness program. The time for…

A:

Q: The average price for a gallon of gasoline in the United States is $3.76 and in Russia it is $3.39.…

A: The Z-score of a random variable X is defined as follows: Z = (X – µ)/σ. Here, µ and σ are the mean…

Q: in a certain region, the mean annual salary for electricians is $58,650. Let x be a random variable…

A: GivenMean(μ)=58650standard deviation(s)=1890sample size(n)=40

Q: #of Occupants 1 2 3 0.70 0.15 0.10 0.03 0.02 What is the mean number of occupants in a vehicle? 45…

A: given data, here data table and their probabilities are given we have to find out the mean for the…

Q: Suppose a brewery has a filling machine that fills​ 12-ounce bottles of beer. It is known that the…

A: Mean = 12.33 Standard deviation = 0.04

Q: An engineer is going to redesign an ejection seat for an airplane. The seat was designed for pilots…

A: Given that mean 158lb and a standard deviation of 30.7lb  we have to find  A)pilot is randomly…

Q: Typed please and asap

A: Step: 1 a. To find the probability that an electric resistor has a resistance of exactly 30 ohms…

Q: One thousand people compete in an oyster-eating contest. Their scores (number of oysters eaten) are…

A: According to the given information, we haveThe mean of the distribution is The standard deviation of…

Q: A research firm conducted a survey to determine the average amount of money consistent smokers spend…

A: We have given that,  Let X be a random variable from normal distribution with mean(μ) = 20 and…

Q: Automobile repair costs in Georgia continues to rise with an average cost now at $367 per repair…

A:

Q: What is the probability that a randomly selected individual with an MBA degree will get a starting…

A: Given:  Let x be the starting salary of individual from normal distribution with mean u= $40000 and…

Q: The weekly salaries of 5,000 employees of a large corporation assumed to be normally distributed…

A: P(480<X<530)=?

Q: Since the heights of people in USA is normally distributed, what is the probability that an…

A: Given data Normal distributionP(x>μ+2σ) = ?

Q: -DO 1. Adult females have a pulse rate that is normally distributed with a mean of 74.0 beats per…

A: Given , Mean , 74.0Standard deviation , 12.5

Q: The average height of all the workers in a hospital is known to be 66.7 inches with a standard…

A: Let  X be the random variable from normal distribution with mean (μ) = 66.7, standard deviation (σ)…

Q: In a region the energy consumption for a family per month averages 1145 kWh and one standard…

A: The Z-score of a random variable X is defined as follows: Z = (X – µ)/σ. Here, µ and σ are the mean…

Q: According to a certain website, the average daily time spent on social networking by internet users…

A:

Q: Service time for a customer coming through a checkout counter in a retail store is a random variable…

A: GivenMean(μ1)=4.0Mean(μ2)=4.0standard deviation(σ1)=2.5standard deviation(σ2)=2.5sample…

Q: An amusement park ride has a bench seat designed for two passengers in each row. In this scenario,…

A:

Q: A study shows that the normal time that a customer occupied a table in a fine dine restaurant is 1.2…

A: Solution-: Given: μ=1.2,σ=0.4,n=25 We find, (a)  What is the value of the mean of the sample means?…

Q: Given that the mean weight of schoolchildren's book bags is 17.5 pounds, with a standard variation…

A: We have given that Population mean = 17.5 Standard deviation = 2.2 Sample size n =30

Q: An automatic machine in a manufacturing process is operating properly if the lengths of an important…

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Q: Coal is carried from a mine in West Virginia to a power plant in New York in hopper cars on a long…

A:

Q: A company manufactures Samsung electronics. The mean resistance for these electronics is 1000 ohms…

A: We have yo find the probability that the mean resistance of these 50 electronics will be 1005 ohms…

Q: A study indicates that 18- to 24- year olds spend a mean of 120 minutes watching video on their…

A: The mean is 120 minutes and the standard deviation is 20 minutes.

Q: We can assume that the heart rate of healthy spanish men follows a normal distribution with mean 80…

A: We have to find out given probability...  And x value. .

Q: The lengths of pregnancies are normally distributed with a mean of 266 days and a standard deviation…

A: A z-score represents the position of a data point in terms of its distance from the mean when…

Q: Five hundred youths participated in a national sport competition. Their heights averaged 110cm with…

A: Given that

Q: An online retailer operates two independent warehouses (A & B) where it keeps its inventory. Each…

A: Solution: given that Each warehouse has a .05 probability of experiencing a fire. If a fire is…

Q: Service time for a customer coming through a checkout counter in a retail store is a random variable…

A:

Q: Assume that the heights of 6000 male students at a university are normally distributed with mean…

A:

Q: The average salary for a civil engineering major is $75,000 with a standard deviation of $10,000. A…

A: Given the average salary for a civil engineering major is $75,000 with standard deviation of…

Q: Suppose 50% of the bumblebee bats are female. 25 bumblebee bats are selected at random and the…

A: Given that n =25 , p= 0.5

Q: The weights of sheep available for sale for during Eid Qurban is normally distributed with a mean…

A: From the provided information, Population mean (µ) = 45 kgs Population standard deviation (σ) = 5…

Q: The lifetime of a particular brand of AA batteries follows a normal distribution. The mean lifetime…

A: Correct answer is d. 0.8944

Q: The average salary for teachers is $50,000 with a std. deviation of $5,000. Find probability of…

A:

Q: 3. 3c. A. B. Women have head circumferences that are normally distributed with a mean of 23.55…

A: For the distribution of the circumference of the heads (in inches) of women at the population level,…