If your goal is to make the reliability of the server equal to 99.999% (=0.99999), how many backup modules (not including the module A) is necessary? Assume there is no correlation among modules and each backup module has the same reliability of 90%. (Hint: Find a pattern in the reliability of the server when using three, four, … backup modules.) a 0 (not including module A) b 1 (not including module A) c 2 (not including module A) d 3 (not including module A) e 4 (not including module A) f 5 (not including module A)

Q: Mean call-to-shock time, 26 79 12 Survival rate, y 91 44 32 44 LA USE SALT (a) Construct a…

A: Note that I used R software for my calculations.

Q: There are 5000 observations in a data set. 10% of the data are “1”s, while the rest are “0”s. If we…

A: The data set consist of 5000 observations. The observations are 0's and 1's. An amount of data…

Q: In 2001, the polls found that 81% of American adults believed that there was a conspiracy in the…

A: Given that  Sample size n =1160 Favorable cases x =897 Sample proportion p^=x/n  =897/1160 =0.7733

Q: A paper describes an investigation in which 40 men and 40 women with online dating profiles agreed…

A: Men Women xd = 0.59 xd = 0.01 sd = 0.81 sd = 0.75 n = 40 n = 40   NOTE: Hi…

Q: State the hypotheses. H₂: All the means are equal. H₂: At least one mean is different from the…

A: The quality control department measures weekly values of different suppliers for the percentage…

Q: Salaries of 41 college graduates who took a statistics course in college have a mean, x, of $64,900.…

A:

Q: A running coach wants to know if participating in weekly running clubs significantly improves the…

A: Option a) is correct.

Q: At the movies: A movie theater is considering a showing of Puppet Master for a 80's thowback night…

A: Here, the confidence level is 0.95. Thus, α=0.05 Using Excel formula "=NORM.S.INV(1-(0.05/2))" (or…

Q: In 1999, the average percentage of women who received prenatal care per country is 80.1%. Table…

A: From the provided information, Sample size (n) = 46 Level of significance (α) = 0.05

Q: A research study was conducted to examine the clinical efficacy of a new antidepressant. Depressed…

A: In this scenario, the study was conducted to examine the clinical efficacy of new antidepressant.…

Q: a population proportion

A: A statistics professor claims that her lectures cause headaches in only 1% of those who listen to…

Q: Consider a set of data where X~N(35, 25). The value of "x" would have to be greater than what value…

A: vghg

Q: Levi-Strauss Co manufactures clothing. The quality control department measures weekly values of…

A: Given the data of weekly values of different suppliers for the percentage difference of waste…

Q: The values listed below are waiting times​ (in minutes) of customers at two different banks. At…

A:

Q: your car is more crowded than you think.  table 5.8 reports results from a 1969 personal…

A: We know that  Mean = sum of all observations /total number of observations

Q: Lecture(12.13): Researchers were investigating anxiety in first year college students.According to…

A: Given information:   Going for a walk/ doing physical activity    Listening to music/ watching a…

Q: Suppose a certain virus (sorry!) affects 0.3% of the population. A test used to detect the virus is…

A: 0.3% of 100000 population have virus.  0.3*100000/100= 300  people have virus.  88% have virus and…

Q: i) Based on the output given, use these data to develop the equation of the regression model to…

A: from the above output  y =β0 + β1x1  simple regression where β0 is intercept β1 is the slope  where…

Q: The U.S. Department of Transportation, National Highway Traffic Safety Administration, reported that…

A: Let p denotes the population proportion of driver fatalities related to alcohol. The test is that…

Q: The Fish and Game Department stocked a lake with fish in the following proportions: 30% catfish, 15%…

A: a) It is needed to test whether in the 5-year interval did the distribution of fish change.

Q: A psychologist would like to examine the effects of a new drug on the activity level of animals.…

A: Given that, A psychologist would like to examine the effects of a new drug on the activity level of…

Q: The U.S. Department of Transportation, National Highway Traffic Safety Administration, reported that…

A:

Q: You and your friend are enrolled in two different sections of the Algebra, Functions, and Data…

A: Solution-: You and your friend are enrolled in two different sections of the Algebra, Functions, and…

Q: Please answer number 13.

A: It is given that 43% had no children, 18% are had one child, 18% are have two children, 21% have…

Q: The flu shot for a flu season is created from four strains of the flu virus, named Strain A, B, C,…

A:

Q: In order to estimate attendance at a music festival, management counts the number of people entering…

A: it is follow A,P with first term a = 2250, d = 2250 , n = 20

Q: HelloFresh and Blue Apron, both meal-kit providers, mail pre-measured ingredients and recipes to its…

A: We have to answer why the data is important to the FDA? and the ways to collect data.

Q: In 2022, a study at Get Well Pediatrics found that 20% of its patients were allergic to pet dander.…

A: Given that    Positive  Negative  Total Allergic to pet dander  16% = true Positive  4% = false…

Q: Spam: A researcher reported that 71.8% of all email sent in a recent month was spam. A system…

A: The hypothesized proportion is 0.77.

Q: Accidents on highways are one of the main causes of death or injury in developing countries and the…

A: Given In foggy, rainy, and sunny conditions, 1/5, 1/11, and 1/20 of the accidents result in death,…

Q: Fishing: Billfish Ocean fishing for billfish is very popular in the Cozumel region of Mexico. In…

A: From the provided information,Sample size (n) = 24Probability of success (p) = 0.44

Q: An industrial psychologist hired by a leading accounting firm wanted to know if the average number…

A: The formula of test statistic is,where, denotes the sample means denotes the sample standard…

Q: This question utilizes the BookPrices data set found in the resampledata package. This data set…

A: The data to be used in R is BookPricesThe sample data obtained from R is as followsIt is required to…

Q: A group of scientists are interested in finding out whether the days of rainfall during the spring…

A: Given: number of days of rainfall amount of maple syrup

Q: The U.S. Department of Transportation, National Highway Traffic Safety Administration, reported that…

A: State the hypotheses. That is, there is no evidence that population proportion of driver fatalities…

Q: Example 5 The highlights of the Railway budget for 1983-84 are as follows. The actual gross traffic…

A: Below is a summary of the given data and also a presentation of the data in a table format.Data…

Q: a. At the 0.01 level of significance, is there evidence of a difference in the variability in…

A: We want to tell the null hypothesis and alternate hypothesis