The letters in the word MATHEMATICS are arranged randomly. Write your answers in decimal form. Round to the nearest thousandth as needed. What is the probability that the first letter is E?  What is the probability that the first letter is M?  What is the probability that the first letter is a vowel?  What is the probability that the first letter is W?

Q: Answer D, E and F please! Show work!

A: As asked I answered for d, e, f only

Q: Question 6: Let A and B be two events such that P(A) = 0.35, P(B) = 0.45, and P(A and B) = 0.1575. U...

A: Given that P (A ) =0.35 ,P( B ) =0.45 ,P ( A and B ) = 0.1575 ( d ) Are A and B disjoint ? ( e ) ) A...

Q: Which of the following is true? The sum of the probabilities of collectively exhaustive events must...

A: The probability is a chance, it can occur any outcome of the random experiment. The probability of a...

Q: (a) Draw a scatter diagram of the data Choose the correct graph below. Data set OC. 4 6. 4. 10 13 19...

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Q: researcher is interested in finding a 95% confidence interval for the mean number of times per day t...

A: We have given that  Sample size n =140 Sample mean =34.8 Standard deviation =15.8 95%confidence inte...

Q: b] Instruction: Solve the following problem: Records show that the performance of male college stud...

A: We have given that  Sample size n1= 44 , n2= 36 Level of significance =alpha 

Q: For questions 4 - 7, define your events and solve using the appropriate formula. 4. At a Boxing Day ...

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Q: A correlation coefficient of 0.5 does not mean that 50% of the data are explained. Comment.

A: Given that  The correlation coefficient of 0.5 does not mean that 50% of the data are explained 

Q: Construct a cumulative frequency distribution table. At a recent basketball tournament, all 10 of t...

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Q: Evaluate loge 7 by Simpson's (i) rd, and (ii) th rules.

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Q: Refer to the given problem in answering numbers 14-15. The daily demand for copies of a magazine at ...

A: the daily demand for copies of a magazine at a variety store has the probability distribution as fol...

Q: Q. 8. Calculate the mean from the following data: Marks below : 10 20 30 40 50 No. of students : 15 ...

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Q: A physician wanted to compare two types of pain relief. One is medication and the other is using pre...

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Q: As a warehouse manager, it is your responsibility to inspect a large shipment of components for defe...

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Q: Q. 6. Calculate quartile deviation and its co-efficient from the data given below : Age of years : 1...

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Q: Let the random variable X follow a normal distribution with mean = 120 and variance = 72.25. Find th...

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Q: take the following data and calculate the variance and standard deviation by hand 10 12 20 20 25

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Q: C'. Determine the parameters in the given situations: A car mantufactue advestises that a new car av...

A: Given that  The following statements  We have to find the parameters:   A car manufacturer advertise...

Q: In a binomial experiement, what does it mean to say that each trial is independent of the other tria...

A: In a binomial experiment  what does it mean to say that each trail is independent of the other trail...

Q: What is z0 if P(Z < zO) = 16.85%? %3D

A: GivenP(Z&lt;z0)=16.85%

Q: .If you are at the 90th percentile in terms of GPA, then 90% of the sample has a lower GPA than you....

A: Percentile : Percentile is the number such that certain percentage of data fall below that number. E...

Q: The lifetime of disc brake pads varies according to a normal distribution with mean µ = 50,000 miles...

A: We have given that.   X~N( μ , ?^2 )   μ =50000 , ? =3000 , n=9  

Q: 10. Tukey’s HSD test Sleep apnea is a disorder characterized by pauses in breathing during sleep. Ch...

A: Given: ANOVA output results

Q: 1. For a normal population with known variance o?, what is the confidence level for the following co...

A: Solution: Given: Population variance σ2 is known.  The confidence interval for the population mean i...

Q: Consider a game of rolling a single die, with the outcome as the random variable X. A player gains $...

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Q: A small-town mechanic says that 8% his customers come in for an oil change. When 1000 samples were d...

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Q: A batch of 20 semiconductor chips is inspected by choosing a sample of 3 chips. Assume 10 of the chi...

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Q: A man has five coins, one of vwhich has two heads. He randomly takes out a coin and tosses it three ...

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Q: If n=400 and X=100​, construct a 99​% confidence interval estimate for the population proportion

A: According to the given information, we have n = 400 X = 100 Confidence level = 99%

Q: find the square of the radical. negative root 19

A: The radical negative root of -19 is we need to took the square root of -19 so there will be - 4.3588

Q: c&d] Instruction: Solve the following problem: Records show that the performance of male college st...

A: We have given that  Sample size n1=44 , n2=36 Sample mean xbar1 =93.45 , xbar2 =87.42 s1= 4.35   , s...

Q: Complete parts (a) and (b) below. The number of dogs per household in a small town Dogs Probability ...

A: We have given that  Probability mass function.  Dogs(X) 0 1 2 3 4 5 Probability=p(x) 0.668 0.20...

Q: 3. Airbnb hosts wish to learn the average length of stay of all visitors that are under the age of 3...

A: Solution: We are given that total of n= 95 young visitors for 95% confidence level with the average ...

Q: Ajax has established a new sandwich shop format for airports and train stations.Here, the sandwitche...

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Q: An airline company is interested in improving customer satisfaction rate from the 65% currently clai...

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Q: based on an article published in Toronto, the total response of a 911 call until the fire fighter ar...

A: Mean = ΣXi/N Sum(Xi)=   (4+8+10+5+6+4+12+15+16+7+6) =93 N= 11 Mean = 93/11 = 8.455

Q: height and head circumference. She randomly selects 8 children from her practice, measures their hei...

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Q: b) The stem and leaf below show the amount of magnesium found in a brand of bottled water in milligr...

A: The stem-and-leaf plot shows the amount of magnesium found in a brand of bottled water in milligrams...

Q: Find the missing frequency in the following distribution if N is 100 and Median is Marks : 0-10 10-2...

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Q: If X is a Poisson variable such that P(X= 2) = 9P(X = 4) + 90P(X=6), find the mean and variance of X...

A: Let X be the random variable from Poisson distribution  with P(X=2) = 9P(X=4) + 90P(X=6)  Then,  We ...

Q: A computer while calculating the correlation coefficient between two variables and Y from 25 pairs o...

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Q: Q. From the data given below construct quantity index number in 1984 with 1983 as base year. Use sim...

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Q: You are interested in whether or not two measures of children behaviour  are equlvalent. The measure...

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Q: A newsgroup is interested in constructing a 90% confidence interval for the proportion of all Americ...

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Q: Transportation is a necessity in many business organizations (goods and materials are transported fr...

A: 1)One of the problems the organizations face is the transportation problem. It originally means the ...

Q: THE ASQ-3 is a standardized screeing tool. Scores on each domian of the screening tool, communicatio...

A: We have given that  Sample size n =25 Population mean μ = 48.7 Population standard deviation =9.2

Q: (b) Determine the logarithm of the y-values so that Y = log y. Draw a scatter diagram of the transfo...

A: The table shows x and y values.

Q: The following table gives the cost of household’s electricity bills during the spring months, in dol...

A: We have given that data . I want to find mean and standard deviation.  Mean =sum of observations / t...

Q: Suppose a basket of goods and services has been selected to calculate the CPI and Year 1 has been se...

A: CPI for year 3 = (Cost of basket in year 3 / Cost of basket in year 1) * 100  (Here base year is yea...

Q: Researchers Regine Dilla and associates wanted to determine whether consumption of cola is associate...

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