A storage box contains four 40W bulbs, five 60W bulbs, and six 75W bulbs. Suppose 3 bulbs are randomly selected. The probability that exactly two of the bulbs are 75 w is: a.0.45 b.0.016 c.0.24 d.0.003   What is the correct? thanks for help !!!!

Q: 13. Ecology: Lakes Pyramid Lake, Nevada, is described as the pride of the Paiute Indian Nation. It…

A: A time series graph, also known as a time plot or time series plot, is a specific type of graph used…

Q: Let X be a random variable defined on a probability space (N, F, P). Show that the triple (R, B(R),…

A: In probability theory, a probability space is a mathematical construct that formalizes the concept…

Q: A box of bolts contains 8 thick bolts, 5 medium bolts, and 3 thin bolts. A box of nuts contains 6…

A: A box of bolts contains 8 thick bolts, 5 medium bolts, and 3 thin bolts. A box of nuts contains 6…

Q: The height of American men in feet is modeled with a normal distribution, with mean variance o² =…

A: Population mean μ =5.75 Population variance =0.333 Population standard deviation =0.577 Sample size…

Q: Let {Xt; t = 0, 1, 2,...} be a birth and death process having birth rate Yn = 2(n + 1) and death…

A: i) To find the probability that the process is in state 0 in the steady state of the birth and death…

Q: The height of American men in feet is modeled with a normal distribution, with mean μ = 5.75 feet…

A: Given, Height of American men in feet is normally distributed with mean(μ)= 5.75 feet and…

Q: Please no written by hand solution and no img if mean is 19 and standard deviation is 1.61 if data…

A: normal distribution μ = 19σ = 1.61P(18.5<x<19.2) = ?

Q: The response of population after vaccination of Pfizer 1st dose, 2nd dose and 3rd dose with the…

A: The main aim is to test whether there is any side effect of sample collected from random 3 people's…

Q: The Service Corps of Retired Executives collected the data below to see if their small business…

A: Face to Face Online Telephone Before Katrina 729 291 12 After Katrina 346 223 25

Q: 74% of all bald eagles survive their first year of life. If 36 bald eagles are randomly selected,…

A: Given  n =36 P =74%    =74/100    =0.74

Q: Consider and the given by i a set of data (xi, 4i), i = 1, 2,0 regression equation Simple linear ĝi…

A:

Q: The domestic airfare for business travel for the current year and the previous year was reported. A…

A: Let us consider the two samples  Here, the two samples are paired since the same flights are used in…

Q: An article suggests that substrate concentration (mg/cm³) of influent to a reactor is normally…

A: Mean=0.30 Standard deviations=0.06

Q: I I I Step 1: Step 2: Step 3: Step 4: Step 5:

A: Need to provide the correct steps in data collection

Q: 3. The joint density of X and Y is fxy(x, y) = 10x²y, 0 0. (a) Find E [Yk|X = x] (b) Find Var [Yk|X…

A: As per our guidelines, we are supposed to answer only 3 sub-parts. a) To find the conditional…

Q: Five males with an X-linked genetic disorder have one child each. The random variable x is the…

A: The probability is the chance that an event is likely to happen. It never takes negative values.…

Q: After losing a game with friends, Alice suspects that the die which was used was not fair. She…

A: The no. of rolls, i..e, the sample size, n=300. The no. of times, "1" is observed o 300 sampled…

Q: The complete sample, January 1950 to December 2017. Correlation = -0.159596558 The subsample,…

A: The complete sample, January 1950 to December 2017. Correlation = -0.159596558   The subsample,…

Q: Which of the following statements is TRUE? 0.01 means there is a 1% chance that we fail to reject…

A: Which of the following statements is TRUE? = 0.01 means there is a 1% chance that we fail to reject…

Q: Find the indicated z score. The graph depicts the standard normal distribution with mean 0 and…

A: The information provided in the question are as follows :- The  standard normal distribution with…

Q: For twenty holes drilled using this machine, determine, correct to the nearest whole number, how…

A: The mean diameter of holes produced by a drilling machine bit is 4.05 mm and the standard deviation…

Q: You want to obtain a sample to estimate a population proportion. At this point in time, you have no…

A: Sample proportion(p^)=0.5 Margin of error(E)=0.002

Q: Let g (x, y) = 5 sin(xy) — 7x² ln(y) + 3. Find the degree 2 polynomial, p, which best approximates g…

A: To find the degree 2 polynomial that best approximates g(x, y) near the point π2,1, we can use…

Q: Foot temperatures: foot ulcers are a common problem for people with diabetes. Higher skin…

A: The regression equation is given by ŷ = a + bX

Q: True or false? The p-value refers to the probability of getting the observed result or something…

A: Here we have to identify whether the given information is True or False

Q: Suppose it is known that 80% of Americans own a laptop. If a random sample of 100 Americans were…

A: From the provided information, 80% of Americans owns a laptop that is p = 0.80 Sample size (n) = 100…

Q: a Standard deviation of 3 years. Identify the Z scores for each raw score then determine the percent…

A: As per Guidelines i have calculated 3 subparts ,plz repost for remaining . mean  = 10 year  standard…

Q: A manufacturer of a computer chip has found that 7% of the chips that come out of production are…

A: a) probability of the chips that come out of production are defective(p)=0.07 sample size(n)=200

Q: The value of the median and the quartiles. The mean, mode and the standard deviation. Draw a…

A: 1) let first create a vector  > # Given data> x=c(78, 79, 79, 79, 80, 82, 82, 85, 86, 88, 89,…

Q: Find the 5 number summary for the data shown. 13 21 26 32 37 56 59 74 75 81 97 99 5 number summary:

A: The five number summary consists of, Minimum First quartile second quartile third quartile maximum

Q: The price per share of stock for a sample of 25 companies was recorded at the beginning of 2012 and…

A: End of 1st Quarter Beginning of Year Change in Price (d) 26.23 17.91   40.71 35.06   55.6…

Q: Most individuals are aware of the fact that the average annual repair cost for an automobile depends…

A:

Q: Which of the following statements are true concerning the mean of the differences between two…

A: The question discusses various statements related to the mean of differences between two dependent…

Q: Constructing a Frequency Distribution and a Frequency Histogram   In Exercises 31–34, construct a…

A: July sales for 21 sales representatives at a company dataset is 2114   2468  7119  1876   4105…

Q: Uppgift 13: Consider the following time series data: Month 1 2 3456 7 Value 24 13 20 12 19 23 15 a.…

A: In order to forecast for the period t+1 using the values (actual value At and forecasted value Ft)…

Q: In a simple random sample of 100  electronic components produced by a certain method, the mean…

A: From given, Random sample = 100 Mean = 125 hours Standard deviation = σ = 20 hours

Q: An automotive part must be machined to close tolerances to be acceptable to customers. Production…

A: The question is about hypo. testing Given :   To find : Test whether the popl. variance specified…

Q: Let F and G be two cumulative distribution func- tions on the real line. Show that if F and G have…

A: The given problem involves the comparison of two cumulative distribution functions (CDFs), F and G,…

Q: I have translated the question in English After calculating the data of tail length for 30 female…

A: From the given information, the error SSCP matrix is   tail wing tail 2700 960 wing 960 1650…

Q: A researcher wants to know if the mean times (in minutes) that people watch their favorite news…

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

Q: Complete the relative frequency table below. Relative Relative Frequency Frequency (Filtered) 8% 8%…

A: Answer:- Given frequency distribution table is,  Using formula,  Relative frequency =fn×100%  (In…

Q: Suppose that an airline uses a seat width of 16.8 in. Assume men have hip breadths that are normally…

A: Answer  Given Mean =14.4 Standard deviation =1.1

Q: Use a dot plot to display the data, which represent the systolic blood pressures (in millimeters of…

A: The systolic blood pressure data is, 120 135 140 145 130 150 120 170 145 125 135 110 160 180…

Q: The mean life time of a electric bulb produced is 1200 hours. A new batch of sample 200 bulbs were…

A: Population mean(μ)=1200 Sample size(n)=200 sample mean(x¯)=1175 Population standard deviation(σ)=120…

Q: Conceptual Overview: Explore how the probability of the intersection of two events equals the…

A: P(A) = 0.061, P(B) = 0.16, P(A∩B) = 0.

Q: A computer password generally consists of eight characters from letters (con- sider only lower…

A: The combination is used to find the number of ways an arrangement can occur. It is used when order…

Q: Consider the pdf for the total waiting time Y for two buses f(y) = 5 25 0≤y<5 y 5≤ y ≤10 otherwise…

A: As per our guidelines, we are supposed to answer only 3 sub-parts. a) To verify that the given…

Q: The mass of a particular fiberglass panel is normally distributed with mean of 66 kg and a standard…

A: Mean=66 kg Standard deviation =5 kg

Q: The annual commissions earned by sales representative of York Al technological machinery INC.,…

A: Let X be a random variable denoting the annual commision earned by sales representative of York AI…

Q: Part III- Linear Relationship Scenario: A pediatrician wants to determine the relation that may…

A: "The pediatrician wants to use height to predict head circumference"    This means that: Thus the…