What is the probability that a randomly selected depth is less than 3.30 m?  What is the probability that a randomly selected depth is between 2.20 m and 5.00 m?  What is the expected value of the water depth?

Q: The probability that a person has immunity to a particular disease is 0.6. Find the mean number who…

A:

Q: In a certain region, the mean annual salary for HVAC contractors is $53,100. Let x be a random…

A: In a certain region mean annual salary for HVAC contractors is $53100. Therefore, μ = $53,100. Let X…

Q: A lawyer commutes daily from his suburban home to his midtown office. The average time for a one-way…

A:

Q: The weight of small dogs can be modelled by a normal distribution with a mean weight of 8.4 kg and a…

A: The provided information is:

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

A: From the given information, μ=115σ=5.4 A) The probability that one selected subcomponent is longer…

Q: . A cannery processes sardines.  Sardines have a mean length 4.54 inches with a standard deviation…

A: Solution: Let X be the length of sardines. From the given information, X has a mean µ=4.54 inches…

Q: In an certain species of newt, offspring are born either green or black. Suppose that 45% of these…

A: The mean of the sampling distribution of the sample proportion. The standard deviation of the…

Q: organization, the proportion of people who are satisfied with the way things are going in their…

A: The sample proportion is calculated by dividing the number of favorable cases and the sample size.…

Q: estaurant in Ohio, the number of minutes that diners spend at the table has a major impact on the…

A: X~N( μ , ?)μ=89 , ?=17Z-score =( x - μ )/?

Q: The output voltage of a power supply is normally distributed with a mean 3.526 V and standard…

A:

Q: A land surveyor measured the distance between two points repeatedly and found that the mean value is…

A: Given that

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

A:

Q: ach month, the city of Accra generates an average of 28 pounds of waste. Assume the variable is…

A: To the probability of its generating between 27 and 31 pounds of waste per month and draw a normal…

Q: A manufacturing company measures the weight of boxes before shipping them to the customers. If the…

A: It is given that: The population mean of the weight of boxesμ=200 The population standard deviation…

Q: The principle of redundancy is used when system reliability is improved through redundant or backup…

A: It is given that the student’s alarm clock has 12.3% daily failure rate.

Q: The average age of a vehicle registered in the United States is 8 years, or 96 months. If a random…

A: Mean()=8 years=96 monthsstandard deviation()=15

Q: The owner of a fish market has an assistant who has determined that the weights of catfish are…

A: Given information:

Q: The time it takes an acrylic paint to dry is normally distributed. If the mean is 2 hours 36 minutes…

A: Convert every information in minutes, so given that X , drying time, follows a normal distribution…

Q: s two balls into four boxes such that each ball is equally likely to fall in any box. Let Y denote…

A:

Q: A city's temperature is modelled as a normal random variable with mean and standard deviation both…

A: Given: Mean=μ=10°CStandard deviation=σ=10°C

Q: Suppose a certain canned good company has an average of at most 4% canned good weighing less than…

A: Given that Sample size =150    A random sample of 150 such packages the proportion weighing less…

Q: Suppose the average age of a Tulane undergraduate is 20 years with a standard deviation of 1.2…

A:

Q: At inspection, 40% of built bubble-jet printers are rejected. Calculate the likelihood that the…

A: Given that, at inspection, 40% of built bubble-jet printers are rejected.

Q: A taxi company purchase Brand A and Brand B tires for its taxis fleet. To estimate the difference…

A: The answer is given using the concept of normal distribution.

Q: Suppose that you randomly draw one card from a standard deck of 52 cards. After writing down which…

A: Total number of diamonds=13 Total cards in adeck=52 The Probability (card is a diamond)=p=1352=0.25…

Q: the breaking of a particular rope is normally distributed, with the mean of 350 lbs. and a standard…

A:

Q: The amount of sleep per night for students in Nursing is normally distributed with mean 7.5 hours…

A:

Q: The state of California has a mean annual rainfall of 22 inches, whereas the state of New York has a…

A: Given data for California : Population Mean,μ = 22 Population Standard Deviation,σ = 4…

Q: Suppose a sample of O-rings was obtained and the wall thickness (in inches) of each was recorded.…

A: First we have sorted the data in ascending order along with their corresponding index i  i…

Q: Write the probability density function of a normal random variable and a standard normal random…

A: Let X be the annual rainfall in Cape Town. The random variable X is normally distributed with mean…

Q: certain province, the expected number of voters for BBL is 15 per 50 m radius. Assuming the data…

A:

Q: uppose that unknown to a geneticist, there are 6 out of 12 genes that play a significant role in…

A: Dear Student, As per the guidelines, i can asnwer only one question(or 3 subparts of it) . Kindly…

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

A: Given Data Population Mean,μ = 117.0 Population Standard Deviation,σ = 4.9

Q: A rugby team from the country of Atlantis is formed by randomly drawing from its population. The…

A: Given that: Population mean, μ=165 Population standard deviation, σ=10 Sample size, n=26

Q: A semi-truck can transport a maximum of 14,950 pounds. Suppose that a load of cargo containing 115…

A:

Q: Assume that women's heights are normally distributed with a mean of 63.6 inches and a standard…

A: We want to find the probability

Q: According to the Current Results website, the state of California has a mean annual rainfall of 22…

A: Given that,  The sample size is, n = 45

Q: If the probability of choosing a red chip from a bucket is 0.32. What is the probability of not…

A: Answer: From the given data, The probability of choosing a red chip from a bucket is 0.32 P(Red) =…

Q: The level of nitrogen oxides (NOX) and nonmethane organic gas (NMOG) in the exhaust over the useful…

A: Introduction: The sampling distribution of the sample mean, X̄, based on a sample of size n, taken…