Provide the following probabilities:     - I lose my data as both hard-disks fail.   - Only one disk fails.

Q: fine the are under the standard normal curve to the left of z= -0.94

A: The standard normal variable is z, which follows the normal distribution with the mean of 0 and stan...

Q: Each user on a computer system has a password, which is seven to nine aracters long, where each char...

A: Given: Number of characters in a password = 7, 8, 9 n(letters) = 26 n(digits) = 10 n(total) = 36 Pos...

Q: A jar contains 10 red marbles numbered 1 to 10 and 12 blue marbles numbered 1 to 12. A marble is dra...

A: The appropriate probability for the event (i.e., the random draw of marble) is to be evaluated, byco...

Q: when ƒ (x) = –24 (4) What is f (-2) x- Round answer to the tenths place. Type your answer...

A: Given  f(x)=-24(1/4)-x  f(-2)=?   

Q: In how many ways can an adviser assign a different task to 9 students from a class of 15?

A: Here we need to assign a different task then we would use combination.   Combination formula: C(n,r)...

Q: Find the critical value zc necessary to form a confidence interval at the level of confidence shown ...

A: Given,confidence level(C)=0.81

Q: 2. What is the importance of getting the sample size?

A:

Q: i. What is the value of the degree of freedom for this test?  ii. What is the p-value for this test?...

A: The claim is that workers are for or against mandatory vaccination.

Q: The graph illustrates a normal distribution for the prices paid for a particular model of HD televis...

A: Given that: u = $ 1400 Standard deviation = $ 700 By using standard normal distribution. We solve th...

Q: In the following probability distribution, the random variable x represents the number of activities...

A: Solution-: We find, (c) Mean of the random variable (d) The standard deviation =?  (e) P(a parent in...

Q: Exercise 1,2. Below are the areas under the normal curve within the given interväls. shade the regio...

A: Given,P(0<Z<z)=0.4582

Q: 3.12 Speeding on the I-5, Part I: The distribution of passenger vehicle speeds traveling on the Inte...

A: As per Bartleby  guidelines I can't answer more than three sub parts  per post. Please post other su...

Q: (a) Obtain a scatter diagram of the data. (h) Construct a line that approximates the data. (c) Find ...

A: Given data, X Y X*Y X*X 15 38 570 225 30 53 1590 900 16 60 960 256 39 72 2808 1521 20 4...

Q: Exercise 4.3. In a 100-item test administered to 450 Grade 11 students, the following data were obta...

A: Number of students(N)=450 We have to find out: a- Number of students getting scores 75 and above b- ...

Q: Based on this output, what are the sample mean income and standard error of the mean income – ROUNDE...

A: By the given output, we can observe that Mean=$79189.87 Standard error of sample mean=$1663.489     ...

Q: ОТЕ Notation Beta(a, B) Parameters a > 0 shape (real) EXTE Find B>0 shape (real) Support x E 0, 1] o...

A:

Q: Assume that the scores of a college entry exam are normally distributed with a mean of 400 and a sta...

A: Given,mean(μ)=400standard deviation(σ)=60

Q: In a certain community, it is accepted that 85% of households are two-income households. You select ...

A:

Q: What does the R2 in a regression analysis describe?

A: here use basic definition of coefficient of determination 

Q: QUESTION 6 A researcher believes that 25% of U.S. adult workers are satisfied with their jobs. To te...

A: Given : Claim : 25% of U.S adult workers are satisfied with their jobs Sample size (n) = 410 Let X :...

Q: rejecting a true alternative hypothesis, H1 leads to committing a type II error True or False

A:

Q: mean of x = 2.882, standard deviation = 1.634  Mean of y = 2.588, standard deviation = 0.246 The c...

A:

Q: Question 2 Suppose you collect 1000 samples of size 82 from a population with parameter p= 0.113. If...

A:

Q: and sen) halsaf Show that for random samples of size n from an exponential population with the param...

A:

Q: otonicity Criterion and Plurality with Elimination pol board is going to hire a company to paint 10 ...

A: *Answer:    Step 1 "Since you have posted a question with multiple sub-parts, we will solve the fir...

Q: Assume that a sample is used to estimate a population proportion p. Find the 95% confidence interval...

A:

Q: 14. Direct Mail A survey shows that 51% of adults prefer to receive advertisements through the mail....

A: Given percent of adults prefer to receive advertisements through the mail=51%Margin of error(E)=5.2%

Q: -company surveyed 2,600 North American airline passengers and reported that approximately 65% said t...

A:

Q: Calculate the standard deviation from the data given below : Size of item Frequency Size of item Fre...

A:

Q: mean of x = 2.882, standard deviation = 1.634  Mean of y = 2.588, standard deviation = 0.246 The c...

A: Given that  mean of x = 2.882, standard deviation = 1.634    Mean of y = 2.588, standard deviation =...

Q: Suppose the Board of Trustees of a wealthy private university has decided that it wants to waive tui...

A: Normal random variable x follows the distribution with bell shaped curve. The normal distribution is...

Q: A normal-shaped distribution with µ  = 60 and σ =  10  is transformed into z-scores. What are the ne...

A: Let X be the random variable from normal distribution mean µ = 60  and σ = 10 is Transformed then we...

Q: Example 2. A population comprises 3 members 2, 4, 6. What is the total number of possible amples of ...

A: Given that: Population size (N) =3 Sample size (n) = 2 Values are 2,4,6 By using simple random sampl...

Q: Which statement is not consistent with the distribution of f ratios? F values that make up the f ra...

A:

Q: a survey of 500 students in a university, 200 are enrolled in Psych 101, 180 are enrolled in Spanish...

A: Given that ; In a survey of 500 students in a university, 200 are enrolled in Psych 101, 180 are enr...

Q: Use this date in the following table , which lists drive -thru order accuracy at popular fast food c...

A: Given data is Drive-thru Restaurant     A B C D Total order Accurate 340 260 231 149 980 or...

Q: The Department of Health is conducting random drug testing in a barangay in relation to their age. h...

A: Given information: It is given that the department of health is conducting random drug testing in a ...

Q: Diastolic blood pressure is a measure of the pressure when arteries rest between heartbeats. Suppose...

A: From the provided information, Mean (µ) = 71 mm Hg Standard deviation (σ) = 8.8 mm Hg X~N (71, 8.8)

Q: A box contains five slips of paper, marked $1, $1, $10, $25, and $25. The winner of a contest select...

A: A discrete random variable x is said to be having a probability distribution if it follows the follo...

Q: Use the data to the right to complete parts (a) through (d) below. Percentage Who Won't Try Don't Ap...

A: Given data, X Y X*Y X*X 45 37 1665 2025 48 39 1872 2304 64 56 3584 4096 76 68 5168 5776

Q: A political candidate has asked you to conduct a poll to determine what percentage of people support...

A: GivenMargin of error(E)=3%=0.03confidence level=95%Assume p =0.5

Q: Use the values on the number line to find the sampling error.   An infinite number line, labeled fro...

A: We have given that x̅ = 4.2 μ = 4.68

Q: A national survey found that 46% of adults ages 25-29 had only a cell phone and no landline. Suppose...

A: Givenp=0.46n=4Let "x" be the no.of adults have only a cell phones and no landline x~Binomial(n=4,p=0...

Q: Holding a variable constant is a technique for removing one threat to_ but it can limit the A. exter...

A: Here option D is correct. Holding a variable constant is technique for removing one threat to intern...

Q: In ENJOY hotel, there are a total of 200 rooms. 160 rooms are ordinary-sized, and the rest are suite...

A:

Q: Evaluate the following probability expressions. Unless directed differently, use four decimals in yo...

A: As per bartleby guideline expert have to answer first question only dear student please upload other...

Q: A college claims that the proportion, p , of students who commute more than fifteen miles to school...

A: From the given information we conduct Hypothesis test.

Q: Which of the following statements are true? Mark all that apply. If events A and B are independent,...

A: Here correct statements are, If P(A) is probability that the event A occur, then probability that th...

Q: Let {X;} be i.i.d.~ Exp(0) and a; > 0. Denote by Z = min{aqX1,..., anX„}. Suppose that 0. i=1 Prove ...

A:

Q: When a production process is operating correctly, the number of units produced per hour has a normal...

A: We have given that  Population mean =103 Population standard deviation =15 Sample size n =9