A manufacturer knows that their items have a normally distributed lifespan, with a mean of 9.9 years, and standard deviation of 3 years. The 9% of items with the shortest lifespan will last less than how many years? Give your answer to one decimal place. Submit Question

Q: Patients coming to a medical clinic have a mean weight of 207.6 pounds, with a standard deviation of…

A: given, From given information,we have Mean() = 207.6 pounds Standard deviation() = 22.6 pounds By…

Q: Given a set of data that is skewed-left, there is at least _____ % of the data within 3 standard…

A: From the given information, Consider, As it has been given that data is left skewed as a result one…

Q: Find the standard deviation for the given data. Round your answer to one more decimal place than the…

A: Obtain mean of the sample data. Denote the values of the sample data by xi: xi: 223, 225, 300, 291,…

Q: The scores and their percent of the final grade for a statistics student are given. What is the…

A:

Q: Find the standard deviation of the data set. (Do not round until the final answer. Round final…

A: Given Data : Ages of Last 6 Presidents at InaugurationGeorge Bush 64Bill Clinton 46George W. Bush…

Q: A statistics professor gives a survey to each of the 100 students in an introductory statistics…

A: Obtain the population standard deviation:

Q: The scores and their percent of the final grade for a statistics student are given. What is the…

A: The formula for the weighted mean is, Weighted mean=∑wiXi∑wi In the formula, wi is weight of ith…

Q: Calculate the sample standard deviation for this data set: 65, 48, 70. The formula for the sample…

A:

Q: A student recorded how long she had to wait for the bus each day, rounded to the nearest minute, for…

A: Given: The wait for the bus of each day are given: 4, 17, 2, 1, 3, 11, 14, 10, 6, 1, 2, 1, 4, 14,…

Q: Use the table to answer each question. Note: Round z-scores to the nearest hundredth and then find…

A:

Q: Some sources report that the weights of full-term newborn babies in a certain town have a mean of 8…

A: Provided information is; Mean(μ) = 8 Standard deviation(σ) =1.2 Let , X be the random variable that…

Q: Assume that adults have IQ scores that are normally distributed with a mean of μ=105 and a standard…

A: Let "X" be the IQ score of the adults.

Q: Recently, a random sample of 25-34 year olds was asked, "How much do you currently have in savings,…

A:

Q: In which month is it more unusual to have a day with a high temperature of 57°​? Explain

A: For January, mean = 36 and SD = 9 Fir July, mean = 77 and SD = 8 First we calucuate the z scores of…

Q: le plot for the data. Choose the correct graph below. 400 500 5 OB. 3.00 2.00 1.00- 0.00- -1.00…

A: Given: The data given is as below 350 100 300 50 0 400 200 100 200 450 50…

Q: The heights of adult women in the US are normally distributed with a mean of 64 inches and a…

A: Solution: Let the random variable X denotes the height of an adult woman in the U.S. It is given…

Q: The min = Q1 = 2.8 105, 5. Median= Q3 = Max= ♦ → ◆ 2.5

A: Follow the procedure given below.

Q: Find the standard deviation of of the data set below.  Round your answer to 3 decimal places.…

A: From the provided information, The data set is as follow: 1, 4, 7, 3, 6

Q: Collect 50 data values of one variable and perform the following Minitab functions. Each function…

A: 50 data values are considered for salt as : ID sold 1 1.265 2 2.2 3 1.225 4 1.9 5…

Q: Which one measure of variation should you report for the variable AGE (people write their actual age…

A: The measures of variation are descriptive statistics that determine the spread of the data.

Q: The ages (in years) of a random sample of shoppers at a gaming store are shown. Determine the range,…

A: We have to calculate some summary statistics for given data.

Q: The number of trout caught by Professor Sokol each year for the last 10 years is given. 48     61…

A:

Q: While doing an experiment, a physics student recorded the following sequence of elapsed times (in…

A: The old data is  2.08 21.8 2.83 2.15 2.64 2.32 2.25 The new data is as follows,…

Q: The frequency distribution in the table represents the square footage of a random sample of 510…

A: Square FootageFrequency0 - 4996500 - 999181000 - 1499351500 - 19991232000 - 24991192500 - 2999773000…

Q: A student takes a multiple-choice test that has 6 questions. Each question has four choices. student…

A: It is given that,  A student takes a multiple-choice test that has 6 questions i.e. n=6 Each…

Q: A statistics professor asks each of the students in an introductory statistics lecture to fill out a…

A: I have provided the answers using Excel

Q: A nurse working in a hospital collects data on the number of days patients stay in a hospital. The…

A: Standard deviation

Q: The scores and their percent of the final grade for a statistics student are given. What is the…

A: Let the score is : x and corresponding weight is : wNow weighted mean score isxˉ=∑w∑xw​Now from the…

Q: Calculate and answer. Show complete solution. The height of adolescent females in Canada is said to…

A:

Q: John records the dates of a bunch of nickels. Determine the mean date of the nickels. final answer,…

A:

Q: A statistics professor gives a survey to each of the 100 students in an introductory statistics…

A: Obtain the population standard deviation:

Q: Create a histogram for each of your variables using the same classes that you used for your…

A: The first histogram that is defined for male population is skewed to the right a it has a frequency…

Q: The  5  participants in a weight-loss class lost the following weights (in pounds) after three…

A: Finding the population standard deviationWe can find the population standard deviation (σ) using the…

Q: What is the mean and median? The x axis is in years. This is for Stats/ class. 400 300 200 100- 40…

A:

Q: Generate a normal quantile plot for the data. Choose the correct graph below. OA. 3.00 B. 3.00- 2.00…

A: The data is given on space fight duration in hours.Given that,Sample size

Q: Find the mean of the data summarized in the given frequency distribution. Compare the computed mean…

A:

Q: Calculate the standard deviation of the data shown. Use technology. X 14.7 8.6 7.4 6.1 21.4 17.5…

A: Given data are,14.7, 8.6, 7.4, 6.1, 21.4, 17.5Total number of data, n = 6We need to find the…

Q: While doing an experiment, a physics student recorded the following sequence of elapsed times (in…

A: According to the given information, we have Total number of observations = 7

Q: Find the range and the standard deviation (correct to two decimal places). 81, 91, 96, 96, 96 a)…

A: From the given information we find the range and standard deviation.

Q: The scores and their percent of the final grade for a statistics student are given. What is the…

A: Score          final 85.                   15% 90.                  10% 90.                   10%…

Q: Assume a mean of 105 papers and a standard deviation of 15 papers. Pays 40¢ for each paper, paper…

A: Given information: μ=105σ=15Cost price for paper=40 centsSelling price for paper=90 cents