Estimate the number of server users y (employees) when the amount of memory storage used x (GB) is x = 15.4 in a time slot based on the regression line for your data.   a. 30 employees b. 31 employees c. 32 employees d. 11.77 GB

Q: Telephone calls enter a college switchboard on the average of two every three minutes. The…

A:

Q: winning twice as likely to win C, the probability A win is

A: here define events  A = A win  B = B win  C = C win

Q: Refer to the sample data in the table below. Assume one of the 559 test subjects is randomly…

A:

Q: _9. The mean annual income of workers who are college graduates is greater than Php 100,000 a year.

A: here use basic of hypothesis testing

Q: 6. Events that have no outcomes in comm 7. The general addition rule for two events (formula) 8. The…

A: 6. Events that have no outcomes in common - Mutually Exclusive or Disjoint Events.

Q: A website tells us that 41% of us start to sleep in the fetal position, another 28% of us start on…

A: Given : Sleep position Frequency Fetal 391 Side, legs straight 257 Back 156…

Q: The prediction error for an observation, which is the difference between the actual value and the…

A: here use basic of regression

Q: USA Today ran a report about a UNC poll of 1248 adults from the southern U.S. It was reported that…

A: Given data sample size, n =1248 population proportion,p= 0.10 Significance level, α=…

Q: your null and alternative hypothesis are: H0:μ=59H0:μ=59 H1:μ≠59H1:μ≠59 Then the test is: right…

A:

Q: d. a simple random sample of 40 auto insurance policies, find the probability that the average cost…

A:

Q: According tố thể the area under the normal distribution, proximately what percent of the data should…

A: The statement is given.

Q: use it to calculate a RELATIVE frequency table for variable G. Do the RELATIVE frequencies in the…

A: Solution-: To calculate a RELATIVE frequency table for variable G Do the relative frequencies in the…

Q: Suppose that BC financial aid alots a textbook stipend by claiming that the average textbook at BC…

A: “Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: A local company is concerned about the number of days missed by its employees due to illness. A…

A:

Q: proportion of homes in Oregon that were heated by natural gas is different than what the DOE…

A: Given data number of success , x= 132 sample size, n =331 population proportion,p= 0.48…

Q: the United States? When a simple random sample of 400 families is taken in Washington, the mean…

A: Given Data : For Sample 1 x̄1 = 46211 s1 = 12214 n1 = 400 For Sample 2 x̄2 =…

Q: In an experiment on factors affecting tooth growth, 40 guinea pigs each received either 1 or 2…

A:

Q: Based on a sample of 65 men, 17651765 of the men owned cats The test statistic is: z=z= (to 2…

A:

Q: i have the following regression equation  Log(total deaths per million) = -3.882  + 0.934Log(total…

A: For example: The slope coefficients is given as 2 this can be interpreted as if there will be one…

Q: and another random variable Y = 2X. Then find (a) value K, (b) E[X], (c) E[Y] and (d) E[XY].

A:

Q: J (2) 0, oth Find the mean and variance of X.

A:

Q: 19. The size of the class interval is

A: here given grouped frequency distribution

Q: Then the mean number (to the nearest whole number) of students who will finish the exam in less than…

A: The distribution function is defined as F(x) = P(X ≤ x) Let p be the probability that a student…

Q: Use a table of areas for the standard normal curve to find the required z-score. Find the z-score…

A:

Q: Fast reactions: In a study of reaction times, the time to respond to a visual stimulus (x) and the…

A: On performing data analysis,

Q: Find the sample variances of the data sets A and B given below. A:3,4, 6, 7, 10 B:-20, 5, 15, 24

A:

Q: Not all visitors to a certain company's website are customers. In fact, the website administrator…

A:

Q: Estimate the difference in population means using a 92% confidence level. Use a calculator, and do…

A: Given : For Sample 1 x̄1 = 24 n1 = 56 s1 = 4 For Sample 2 x̄2 = 22 n2 =…

Q: (b)Let Z ~ N(0, 1). Calculate (approximately) the interquartile range of Z. Hint: Þ(Q,) = 0.25 and…

A: Solution

Q: V Use the given data bélów tỏ answer item numbers 30 to 39. Class Interval 4. 50-54 45-49 3 11 5.…

A: 33) The class interval containing the D8 class is - 39.5 -44.5

Q: 3. How many errors have you made in forecasting November for a 3 months case MA and WMA? Months…

A: In the given case we are provided with the number of each month and their corresponding actual death…

Q: 2. Describe the steps involved in ARMA model selection (focus mainly on model identification and…

A:

Q: Question Test scores for a given class are normally distributed with a mean of 80 and standard…

A:

Q: Q1/ A company's board of directors consists of 20 members, in how many ways can a president, trustee…

A:

Q: CNNBC recently reported that the mean annual cost of auto insurance is 1042 dollars. Assume the…

A: As per bartleby guideline expert have to answer first three subpart only dear student please upload…

Q: Problem 5 (15 points): The vaccine can be purified by one of three different machines: Machine A,…

A: Given that, The vaccine can be purified by one of three different machines: Machine A, Machine B, or…

Q: Assume that the averages are jointly normally distributed. (a) Find a regression line relating the…

A: “Since you have posted a question with multiple sub-parts, we will solve the first three sub-parts…

Q: Express the confidence interval 37.8 % ± 3.8 % in the form of a trilinear inequality. % <p <

A: We have to express the confidence interval from given data..

Q: Mercury is a persistent and dispersive environmental contaminant found in many ecosystems around the…

A: a) Mean = 1.24 median = 0.57 There is heavy positive skewness in the data.

Q: Set up null and alternative hypotheses for  mean area of us homes built in 2012 was 2505 square feet…

A:

Q: The table below gives the number of seasons that each of the main six colors of Power Range appeared…

A: The bar graph is displayed in the below step.

Q: The time it takes me to wash the dishes is uniformly distributed between 11 minutes and 18 minutes.…

A:

Q: DIRECTIONS: Read the given situation, then perform the required activity for A to C. Be sure to show…

A: Given Information: No. of observations=4Sample space={0,1,3,6)

Q: It takes an average of 13.6 minutes for blood to begin clotting after an injury. An EMT wants to see…

A: Given,sample size(n)=43sample mean(x¯)=15.2standard deviation(s)=3.16α=0.01

Q: The distribution of retirement age for NFL players is normally distributed with a mean of 33 years…

A: The image is attached below

Q: Claim: Fewer than 98 % of adults have a cell phone . In a reputable poll of 1026 adults , 88% said…

A:

Q: 2:35 4 Feels Close to People at their School Feels Sad or or Hopeless Strongly Agree Agreed Unsure…

A: The chi-square contingency table and the software output for the chi-square test of independence is…

Q: The amount of money spent on a week’s holiday by 40 students, correct to the nearest £10, is shown…

A: A frequency distribution is a tabular, listed or graphical representation of data that shows the…

Q: 5. Let X be a random draw from the following box of tickets: 11 224424 6 tickets Are X and Y…

A: Given data x  0  1  1  0  1  1 y  2  2  4  4  2  4

Q: 1. Increasing medical costs have created a financial crisis among insuranc companies that provide…

A: Given that - Increasing medical costs have created a financial crisis among insurance companies that…