We want to find the probability that the risk of a hazard will not occur in a system. Given two scenarios are “no risk,” and all other scenarios have “risk”. The probabilities of the two “no risk” scenarios are estimated as p1= 0.87 and p2= 0.98. The corresponding standard deviations are s1 = 0.03 and s2 = 0.06. Find the mean and standard deviation of the overall system success (no risk) and system failure (risk).

Q: A random sample of 250 physicians shows that there are 40 of them who make at least $400,000 a year.…

A: We have to find value of test statistics.

Q: Suppose a quarterback's completion percentage for the season is 67.2%. Based on relative frequency,…

A: We have to find Based on relative frequency, is it more likely that he will complete his next two…

Q: A population of scores has μ = 25 and σ = 1. If 3 points are added to every score in the population,…

A: From the given information, Consider , X be the random variable which denotes the scores. Ex=μ=28σ=1…

Q: Gil started a new business and lost exactly $1000 each month. If he wants his business to make more…

A: here given, Gil started a new business and lost exactly $1000 each month. Now  he wants his business…

Q: 2. InnerSloth continue to update their popular video game Among Us.² Scraping their server logs, we…

A: The summary statistics provided in the question are as follows : Let variable x represents the…

Q: SOLVE STEP BY STEP IN DIGITAL FORMAT XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX 3. Cables manufactured for…

A: normal distributionμ=0.13σ=0.005specification : 0.12 <x< 0.14

Q: Professor Tom knows that the mean score on the midterm exam from all the years he has been teaching…

A: Hey there! Thank you for posting the question. Since your question has more than 3 parts, we are…

Q: When solving a problem related to one sample and the confidence interval of variance. Which table…

A:

Q: need answer for expected value

A: It is an important part of statistics. It is widely used.

Q: Belng Click the icon to view the data tables. (Round to three decimal places as needed.) Approximate…

A: We have given that the probability distribution of the random variable X represents the number of…

Q: The researchers hypothesized that there would be a correlation between how much people studied and…

A: Solution: From the given information, the researchers hypothesized that there would be a correlation…

Q: For a class project, statistics students asked students in their class (30 students) how many hours…

A: Hello! As you have posted more than 3 sub parts, we are answering the first 3 sub-parts.  In case…

Q: by pany robability that the proportion of defective television

A: Given: EX=0.25VX=0.0375 P(0.2 < X < 0.5)

Q: A 10-year study conducted by the American Heart Association provided data on how age, blood…

A: The independent variables are Age, Blood pressure and Smoker. The dependent variable is Risk. We…

Q: Ronald Fisher is well known for suggesting that data with p-values of 5% or less should be…

A: In hypothesis testing, the significance level or α is the probability of Type I error that is…

Q: U-shop sells a certain grade of manila card where the thickness is normally distributed with mean…

A:

Q: The variance of a population is 8. the size of the sample collected from a population is 328 What is…

A: Answer: From the given data, Variance (σ2) = 8 Sample size(n) = 328

Q: The average number of pounds of red meat a person consumes each year is 196 with a standard…

A: We are given,μ = 196σ = 22n = 60

Q: Which of the following probabilities indicates a relationship that is not statisti­cally…

A: By statistically insignificant, we means that there is less difference between the measure of null…

Q: Suppose that 35% of all adults in a population would say “good” and 65% would say “bad” if they were…

A: It is given that a sample of 1,000 adults from a population is randomly selected and the population…

Q: Suppose that we know that 33.8% of the people born in the United States between 1936 and 1951 have…

A:

Q: sample of 31 years of rainfall for California and a sample of 49 years of rainfall for New York has…

A: Given information for State of California: Mean, μ=22. Standard deviation, σ=4. Sample size, n=31.…

Q: Solve the problem. Assume that mountain lions' weights are normally distributed with a mean of 62.6…

A: We have given that,  X be the random variable from normal distribution with mean (μ) = 62.6 ,…

Q: A distribution of scores has no mode and the same median and mean values. This indicates that the

A: From the given information above, A distribution of scores has no mode and the same median and mean…

Q: There is a population of test scores. You take a sample of 11 scores and use them to estimate the…

A: From the given information, Sample size (n) =11 Assuming population is normally distributed with…

Q: A young investment manager tells his client that the probability of making a positive return with…

A:

Q: Suppose the relationship between Y and X is given by: Y = 30 - 25X + error  What is the expected…

A:

Q: A professor knows that her statistics students' final exam scores have a mean of 79 and a standard…

A:

Q: Suppose that you want to perform a hypothesis test based on independent random samples to compare…

A:

Q: Random samples of a Gaussian distribution will fall within two standard deviations of the mean with…

A: Concept:  68% of the data is within 1 standard deviation (σ) of the mean (μ), 95% of the data is…

Q: A geologist is making guesses about the mean length of fossil teeth of a certain species found in a…

A: From the provided information,

Q: A random sample of 300 physicians shows that there are 50 of them who make at least $200,000 a year.…

A: Given,n=300x=50p^=xn=50300=0.1667H0:P=0.20H1:P<0.20

Q: he outcomes of a discrete random variable follow a Poisson distribution, then their A median equals…

A: Given Data: Let X represent the random variable X follows Poisson distribution

Q: An asset has 0.5% chance of attack and 20% chance of the attack being successful if it happens. The…

A:

Q: Tina catches a 14-pound bass.  She does not know the population mean or standard deviation.  So she…

A: From the provided information, The data values are as follow: 9, 12, 13, 10 and 10 Sample size (n) =…

Q: Tony B. is attempting to start a landscaping business. He estimates that to break even, he will need…

A: Mean: The mean is the average of data set.  and it is denoted by x or E(x). Formula for the expected…

Q: 34% of CSU students participate in the Statistics Games while they attend CSU. You take a random…

A: Given: n=40p=0.34x=15 It is required to obtain Px>15.