Q2) In a local puncher shop, the bolt of a Tyre is normally distributed, with a mean of 0.82 cm and a standard deviation of 0.04 cm. What is the probability that the bolt will exceed 0.86 cm ? (Round your answer to three decimal places.)

Q: Suppose you like to keep a jar of change on your desk. Currently, the jar contains the following: 9…

A: given data  Pennies=9 Dimes=20 Nickels=22Quarter=8________________total coins=59

Q: An ordinary (fair) coin is tossed 3 times. Outcomes are thus triples of "heads" (h) and "tails" (t)…

A: A fair coin is tossed 3 times.Here, h denotes head and t denotes tail. The random variable N denotes…

Q: Q2. Denote X as the temperature on a summer day. Assume that X follows a normal distribution with a…

A: Mean()=70oFStandard deviation()=3oF

Q: A population of values has a normal distribution with �=121.9 and �=67.7. If a random sample of size…

A: The objective of this question is to find the probability of a single randomly selected value being…

Q: If X₁ and X₂ are the means of independent ran- dom samples of sizes n₁ and n2 from a normal…

A: Given thatX1¯ ~N(μ, σ2/n1)X2¯~N(μ, σ2/n2)To show that variance of the unbiased estimator:…

Q: graphs are a type of multivariable graph that can be used to visualize data sets with many…

A: The objective is to determine the appropriate chart to represent a multivariable graph.

Q: soft drink manufacturer wishes to know how many soft drinks teenagers drink each week. They want to…

A: Confidence level is a statistical measure used to explain the amount of uncertainty associated with…

Q: ehistoric Indians did not take their best meir summer camps. It is hypothesized filiation as the…

A: Let x be the elevation for an archeological site and y be the percentage of unidentified artifacts…

Q: How many variables are in plot 2?

A: The objective of the question is to identify the number of variables in a given plot. A variable in…

Q: The closing stock price of a certain company for a sample of 10 trading days is shown below. Day…

A: The mean is 57.The median is 56.The mode is 51.The variance is 31.11.The standard deviation is…

Q: O Figure 1: State transitions Refer to Fig. 1. The probability transition matrix is given by 0 p 1-p…

A: The given transition diagram is :In the given transition diagram, the row indicates the transition…

Q: Using the population from this density function, how do you find the mean of the distribution and…

A: If X follows exponential distribution with parameter θ then the population mean μ is 1/θ.

Q: If X1, X2, ... Xn iid Poisson(λ), how do you find the Cramer-Rao bound for unbiased estimators of λ…

A: The random sample  , , . . . . ,  are iid from the Poisson distribution with parameter .

Q: Calculate the following probabilities a) If XX-NID(-0,0¹), what is approximate value of Pr-S')? If…

A: Given that

Q: A company estimates that 0.1% of their products will fail after the original warranty period but…

A: The products' proportion estimated by the company that will fail after the original warranty…

Q: Text Text Listen The weights (in grams) of chocolates from a production line follow a normal…

A: Mean()=50standard deviation()=5

Q: Why is it that my standard residuals appear to be non-linear yet the rest of my results appear…

A: Given the residual standard residuals graphs as

Q: The data in the table were collected from randomly selected flights at airports in three cities and…

A: ANOVA stands for analysis of variance. It helps to compare variances across averages of different…

Q: O 0.0226 O 0.4885 O 0.5115 O 0.15 O 0.0113

A: Sample mean, Standard deviation, s= 5degrees of freedom, df= 80-1=79The null and alternative…

Q: 7. Exercise 5.7 The Questor Corporation has experienced the following sales pattern over a 10-year…

A: A series which is a collection of observation of pre defined data item obtained through repeated…

Q: I need help, how can I make a spreadsheet on excel and input this so I can recreate this graph. I…

A: Consider the given chart:

Q: For this binomial distribution, what is the variance for the number of successes when sample size is…

A: For the given binomial distribution, the sample size is 76 with a probability of 0.46.

Q: Consider the following stem-and-leat diagram. 1 2 3 4 5 2 13 2467 23568 1344568

A:

Q: Question 1. X and Y are discrete random variables with the following joint distribution: Value of Y…

A: Let X and Y have a joint…

Q: 4. A researcher wants to calculate the prevalence of Alzheimer's among members of a specific…

A: Margin of error(E)=1.0%=0.01population proportion(p)=10.73%=0.1073confidence level=95%

Q: The state education commission wants to estimate the fraction of tenth grade students that have…

A: To estimate the proportion of tenth graders reading at or below the eighth grade level, we can use…

Q: Given a random sample of size n from a uniform population with a = = 0, find an estimator for ß by…

A: Given a random sample of size n from a uniform population with.The PDF of uniform distribution  is…

Q: According to a business report, The mean age of a staff of statistics department is 18.25 years.…

A: Let's denote the following variables:N : Number of people in the original statistics department.:…

Q: The average height of the female students in the given sample is The sample standard deviation is…

A: The collected sample is as…

Q: Consider the following data for two independent random samples taken from two normal populations.…

A: The final answer is:The two sample means are 9 and 7 for sample 1 and sample 2 respectively.The two…

Q: Suppose that the 1st quartile (Q1) and 3rd quartile (Q3) of the data are 15 and 20, respectively.…

A: The objective of this question is to calculate the value of the upper whisker in a box plot given…

Q: Suppose the true proportion of voters in the county who support a specific candidate is 0.5.…

A: The objective of this question is to find the mean and standard error of the sampling distribution…

Q: he water works commission needs to know the mean household usage of water by the residents of a…

A: Answer The population standard deviation = 2.3The mean = 20.5The sample size = 1559The confidence…

Q: In order to determine whether or not a driver's education course improves the scores on a driving…

A: a) t = 1.259b) p = 0.1318Conclusion:Since the p-value of 0.1318 is greater than the significance…

Q: a study in which two groups of students were asked to answer 42 trivia questions from a board game.…

A: Given that, For group 1 :23.84.1200For group 2 :18.54.4200We have to find the 95% confidence…

Q: Two trains are traveling at constant speeds on different tracks. train A- goes 0 to 12.5 all the way…

A: The objective of the question is to determine which train is traveling faster based on the given…

Q: Show that the mean of a random sample of size n from an exponential population is a minimum variance…

A: Show that the mean  of the random sample of size n from an exponential population is a minimum…

Q: Let Y be a random variable. In a population, μy 143 and oy = 51. Use the central limit theorem to…

A: Given ,143 51Sample size , n = 101We have to find

Q: Alabama's assembly unit has decided to use a p-Chart with an alpha risk of 3% to monitor the…

A: The random sample size, No. of successively selected time periods, The  risk of the p-chartThe data…

Q: A population of values has a normal distribution with �=105.6 and �=10.5. Find the probability that…

A: The objective of the question is to find the probability of a single randomly selected value being…

Q: A project has an expected completion time of 60 weeks and a standard deviation of 5 weeks. What is…

A: expected completion time ()=60standard deviation()=5

Q: Consider the following data: -2, -2, -8,-8, -2, -8, -12 Step 1 of 3: Calculate the value of the…

A: Given data are,-2, -2, -8, -8, -2, -8, -12Sample size, n = 7

Q: To determine if their 1.33 centimeter galvanized pipes are properly adjusted, Fogarty Manufacturing…

A: The given data are,PeriodObs1Obs2Obs3Obs4Obs5Sample meanSample…

Q: A physicist examines 4 seawater samples for potassium chloride concentration. The mean potassium…

A: For the 4 seawater samples for potassium chloride concentration, the mean potassium chloride…

Q: The probability is (Round to three decimal places as needed.)

A: Let X be the random variable that no. of patients left the treatment center against medical…

Q: Based on USA today, the age of a random sample of 300 adults who shop by catalog areAge 18-24 25-34…

A: The objective of this question is to estimate the mean and standard deviation of the ages of adults…

Q: A population of values has a normal distribution with �=120.8 and �=59.1. Find the probability that…

A: The objective of the question is to find the probability of a single randomly selected value and a…

Q: A normal distributed population has parameters �=119.4 and �=73.8. If a random sample of size �=61…

A: The objective of this question is to find the mean and standard deviation of the distribution of…

Q: 1. An accounting firm noticed that of the companies it audits, 85% show no inventory shortages, 10%…

A: 1) According to the given information,85% show no inventory shortages. That is, P(N) = 85% = 0.8510%…

Q: Sreaving The monthy cell phone bill for Citizen are summarized in the hollowing frequency…

A: The monthly cell phone bill for citizens is summarized in the following frequency distribution…