The number of air safety inspectors for selected years is shown in the table. Year 1996 1997 1998 Inspectors 3349 3155 3069 (a) Find a linear function f that models these data is fexact or approximate? (b) Usef to estimate the number of inspectors in 2003. Compare your answer to the actual value of 3451. Did your estimate involve interpolation or extrapolation? (a) Alinear function that models these data is fix)- (Round to the nearest integer as needed)

Q: Don’t show explanation

A: Residual = Observed value – predicted value e = y – ŷ

Q: μ = 3, o² = 9, P(-6 < X<12) a. Determine P(u - ko < X <u+ ko) ≥ 1 − 1/k²

A: It is given that Mean = 3 And variance = 9

Q: Two events A and B are such that P(A) = 0.5, P(B) = 0.3 and P(A|B) = 0.1. Then P(A|AUB) is

A: Solution-: Given: P(A) =0.5, P(B)=0.3, P(A/B)=0.1 Then we determine P(A/A∪B)=15 is true or false

Q: 8. Circuit boards are made by machines A, B, C and D. Machine A makes 15% of the components, machine…

A:

Q: 2- Let the probability density function of the random variable X is = {²()* 0 f(x) = ,x= 1,2,3,... ,…

A: Given information:

Q: e Determine the standard deviation of X f. Determine the standard deviation of Y 9. Determine the…

A:

Q: f(x,y) x=0x=1 y=0 0.4 0.1 0.1 0.4 An error occurs when X Y. An 8-bit long message is sent over this…

A:

Q: There are 3 arrangements of the word DAD, namely DAD, ADD, and DDA. How many arrangements are there…

A:

Q: If E denotes the expectation the variance of a (random variable X is denoted as (E(X))^2 - E(X

A: Given: If E be the expectations then varience of random variable x  Var(x)= (E(x))^2-E(x)  a); True…

Q: . What is the probability of getting a blue or white ball if there are 50 balls in total, where 23…

A: According to our guidelines, we can answer only three sub-parts. So, please repost the rest parts.

Q: Q1/ Grades in statistics class are weighted as follows: Tests are worth 50% of grade, homework is…

A: Here Given  Grades in statistics class are weighted as Tests are worth 50% of grade, homework is…

Q: How many outcomes are possible if you toss a coin six times? a) 62 b) 2 +6 c) 26 Od) 2x6

A:

Q: This year, you have decided to run your first 10K race, which is two months away. You are following…

A: We know that the ,  Speed = distance / time using that formula we solve the following questions.

Q: 34. A college offers tutoring in Math, English, and Chemistry. The number of students enrolled in…

A:

Q: What are the odds against randomly picking a green apple from a fruit bowl containing seven green…

A: Answer:- Given a fruit bowl containing 7 green apple and 4 red ones.                What are the…

Q: If the probability distribution of a continuous random variable that has values between y = 1 and 3…

A:

Q: a. Determine b. Determine the expected the expected value of x value of Y

A: EX=∫01X*g(X)dx=∫X2XX+13dx=∫2X2X+13dx=∫2X3+2X23dx=2X4401+23X3301=12+29=0.722

Q: Suppose that there is a 0.9% chance a planet will develop life, a 2.3% chance that the life will…

A: Given  Probability of a planet can develop life=0.9% Probability of a planet can evolve into…

Q: In a competition, junior chefs make a gourmet soup by selecting 10 different ingredients. How many…

A: GivenNo.of different ingredients(n)=10No.of ingredients must include(r)=4

Q: Does 10K running time decrease when the runner listens to music? Nine runners were timed as they ran…

A:

Q: There are six men and seven women in a ballroom dancing class. If four men and four women are chosen…

A: Here Given  Total No of Men=6 Total No of Women=7

Q: You have a fair coin and you want to simulate an event that has probability 1/3, and another event…

A:

Q: Which of the following is an example of dependent events? a) rolling a die and flipping a coin Ob)…

A: Dependent events are those events in which the occurrence of one event affects the occurrence of…

Q: The probability a chip is manufactured to an acceptable standard is 0.87. A sample of six chips is…

A: Given data: P = 0.87 n = 6

Q: 5A+2B. The variance of T is 6

A: The random variables A and B have variances 0.2 and 0.5 respectively. Let T= 5A+2B.

Q: Is the given statement true or false? nC₁= "Cn-r O a. False b. True O

A: Given: nCr = nCn-r

Q: Giving a test to a group of students, the grades and gender are summarized below A B C Total Male 3…

A: Required probability is P(Female AND got a 'B')

Q: Three transistors are tested. The probability that none of them works is 0.97. What is the…

A: The probability that none of them works is 0.97.

Q: 2- Two events A and B are such that P(A) = 0.5, P(B) = 0.3 and P(A/B) = 0.1. Then P(A|AUB) is O True…

A:

Q: M&M sweets are of varying colours and the different colours occur in different proportions. The…

A:

Q: A study on the correlation between sleep quality and academic performance of SHS students is done by…

A:

Q: 19% of all college students volunteer their time. Is the percentage of college students who are…

A: The hypothesized proportion is 0.19.

Q: The average number of cycles of charging of rechargeable batteries manufactures in a certain factory…

A: Given information- Population mean, µ = 485 Population standard deviation, σ = 32 Let X be the…

Q: A coin is flipped 30 times. What is the probability of getting 15 or more heads? Round answer to 4…

A: Givensample size(n)=30p=12 =0.5                (i.e., getting head in a toss)Let "x" be getting…

Q: If A is a perfect subset of B and P(a < Pb), then P(B - A) is equal to P(a)P (b) .a .b P(a) + P(b)…

A:

Q: In a certain factory. Three machines produce pencils. For factory evaluation, samples were chosen…

A: Given Information: Type of production 1st machine 2nd machine 3rd machine Good 200-N 200+N…

Q: 3) u) What do this know about bootstrap ?b) when do we use an example you method (explain…

A: a)  Bootstrapping is a statistical procedure that resamples a single dataset to produce…

Q: A random sample of 8 students was selected to test the effectiveness of hypnosis on their academic…

A: (a) State the hypotheses.

Q: When estimating the mean age of a population of 5000 individuals, a simple random sample of 50…

A:

Q: a) between 0.87 and 1.28; b) between -0.34 and 0.62; c) greater than 0.85; d) greater than -0.65.

A:

Q: An examination consists of multiple-choice questions, each having five possible answers. Suppose you…

A: Let A be the event that you give the correct answer. Let B be the event that you know the answer.…

Q: Section of an oil field has been divided into 48 equal sub-areas. Counting the oil wells in the 48…

A: Given:Frequency distribution is given.Here we check that the the data is randomly distributed or…

Q: There are on average 20 old growth Sitka Spruce trees per acre in a local forest. Find the…

A: GivenOn average 20 old growth sitka spruce trees per acrefor 14 acre, 5 old growth sitka spruce…

Q: If X-N(7,4), the P(15.364 ≤ (x-7)² ≤ 20.095) is

A:

Q: The pass completion percentages of 10 college football quarterbacks for their freshman and sophomore…

A: The t test are used to test the mean significance between the two sample. It used to test the paired…

Q: a) Using a sample size of 75, construct a 95% confidence interval estimate of the mean birth weight…

A: here given ,  A study has been conducted to verify the mean of birth weight at Apple County. From…

Q: Six girls and five boys wish to join a ski trip. Four of them will be selected at random. What is…

A: Answer:-   Given 6 girls and 5 boys wish to join a ski trip                Total are = 6 + 5  = 11…

Q: andson of a man from Harvard go andson of a man from Dartmouth

A: Given that, In the Dark Ages, Harvard, Dartmouth, and Yale admitted only male students. Assume that,…

Q: a. Determine the expected value of X. b. Determine the expected value of Y. c. Determine the…

A: As per bartlby guidelines we can answer only first three subpart and rest can be reposted

Q: STATISTICS AND PROBABILITY. No long explanation needed. Rate will be given! Multiple Choice In…

A: Solution