Example 4 friends each choose a random number between 1 and 5. What is chance that any of them chose the same number Solution : tree diagram : Yes.. No Note: "Yes" and "No" together make 1 (1/5 + 4/5 = 5/5 = 1) Draw tree diagram and calculate the probability

Q: Looking at the histogram for the data, what is the height (frequency) of the 4th bar on the…

A: Solution-: From the given data we draw the histogram and find the height (Frequency) of the 4th bar…

Q: Two infinitely long parallel lines are a distance a apart, and a needle of length I (! < a) is…

A:

Q: oisons are used to prevent rat damage in sugarcane fields. The U.S. Department of Agriculture is…

A:

Q: Use multiple linear regression to fit the following tabulated data: x1 4.5 6. 75 19 12 x2 6. 8.5 11…

A:

Q: Covid-19 test on a population of 500 people was conducted and observed the following details: 75…

A: Given that, 75 people developed symptom A, 63 people developed symptom B, 65 people developed…

Q: 4. At the end of one day a clearing house member is long 100 contracts, and the settlement price is…

A:

Q: → Compare the expected lenglis of C-I and T Foy Mi- Mz: basud on Take d= 0.05 eg. 20 %3D → Assume…

A: Solution: From the given information,

Q: 38. A student wanted to construct a 95% confidence interval for the mean age of students in her…

A:

Q: 5. After watching a number of children playing games in a video arcade, a statistics practitioner…

A: Given that -

Q: 1. A sample size of n=12 with population standard deviation ở= 16 at 99% confidence level. 2. A…

A:

Q: Cost of a Paperback Book (in Dollars) Class Frequency 7.4-7.9 3 8.0-8.5 14 8.6-9.1 9. 9.2-9.7 7.…

A: Solution-: We have given following table: Cost of Paperback Book (in Dollars) Class Frequency…

Q: 6.26 Use Theorem 6.6.5 to establish that, given a sample X1,..., Xn, the following statistics are…

A: Given that -

Q: If the autocorrelation of a WSS process is R (T) = Ke KF, show that its spectral density is XX 2…

A:

Q: 4. The mean prize of 25 computer desktop for gaming online is 55,450 pesos with a standard deviation…

A: here use basic of confidence interval

Q: The drying rate in an industrial process is dependent on many factors and varies according to the…

A:

Q: swer the questions that follows. 1. Illustrate the following measures of position

A: Quartiles are those values that divide the frequency into four parts when the values are arranged in…

Q: State Farm Insurance studies show that in Colorado, 45% of the auto insurance claims submitted for…

A: Given P=0.45 n=11

Q: \bEndPaper.dvi…

A: Solution

Q: of workers who reported various symptoms, along with the shift (morning,  evening,  or night) that…

A:

Q: Hello there, could you please find the percentage of the class has a test score between 68 and 82…

A:

Q: 10. To test the difference between two means while the variances are unknown, we use. F distribution…

A: According to the given information in this question We need to identify the correct option

Q: 9. If u =x+ y, v = x - y and x and y are independent, show that In other words var (x±y) = var (x) +…

A:

Q: We want to test the null hypothesis that population mean = 10. Using the following observations,…

A: We have given the following data . 9,10,4,5 , 6,7,8 Sample size = 7 From the given data we…

Q: A. Identify the population and sample in each item below. roms moil enob s 1. Amount of monthly…

A: A4) Number of tablets sold during the past week at all computer stores at a mall is a sample .

Q: Determine whether the data described are discrete or continuous. The number of keys on your key…

A: Given: The number of keys on your key ring.

Q: percentage of vehicles with the following speeds on this section of I-95: greater than 75 mph. Use…

A: here given  Suppose that on a certain section of I-95, with a posted speed limit of 65 miles per…

Q: U Uta a CoIImUCICE Iterval Tor po. Show that Oi – y)2 = Oi – y + Oi – ỹ)² - | |

A:

Q: 14. The variates x and y are normally correlated with coefficient r and u, v are defined by u =x cos…

A:

Q: interpret and compute for the table and find the: state the hypothesis level of significance test…

A:

Q: The system will function as long as at least one component of each type functions. The probability…

A:

Q: A political campaign worker wishes to conduct a poll to determine how her candidate is likely to…

A: Given that A political campaign worker wishes to conduct a poll to determine how her candidate is…

Q: b is incorrect

A: b) Consider that the mean and standard deviation of a random variable X are µ and σ, respectively.…

Q: Ten novels were randomly selected, and the number of pages were recorded as follows: 415 398…

A: Solution

Q: Find the IQR for the average of 15 cities. Q1 = ppm Q3 = ppm IQR: ppm

A:

Q: The amount of time devoted to preparing for a statistics examination by students is a normally…

A: Solution:- from given information mean μ=17standard deviation σ=5

Q: Please specify the key problem with this question included in a questionnaire: "When using the…

A: The key problem with this question included in a questionnaire: “When using the Internet, do you pay…

Q: 9. In single-factor experiments (ANOVA), if the design is unbalanced, then..... The experiment can…

A: (D) is correct

Q: The cross power spectrum of X(t) and Y(t) is defined as jo K+ - W 0 and K are constants. Find the…

A:

Q: ide the necessary information? A) A random sample of all fishermen in the state B) A random sample…

A: The state Department of Natural Resources is considering lowering the bag limit on Walleyed Pike on…

Q: A sample of size n = 53 has sample mean xr = 53.5 and sample standard deviation s = 9.3. %3D Part: 0…

A:

Q: A sample of size n= 44 has sample mean x = 54.3 and sample standard deviation s = 9.2. Part: 0/ 2…

A:

Q: A. Identify the population and sample in each item below.oms mol enotb soo 1. Amount of monthly…

A: Population: Population is defined as the parameter of the given data   Sample: Sample is defined as…

Q: A farmer wishes to estimate the average height of mango trees in his farm. He wants to be 99%…

A: Given that A farmer wishes to estimate the average height of mango trees in his farm. He wants to be…

Q: 4. The z-value used when computing confidence intervals for proportion vary by degrees 3. The…

A: 4) The z value is used when computing confidence intervals for proportion vary by degrees of freedom…

Q: In order to determine if there was a relationship between living near power lines and a rare…

A: The objective of this question is to identify the study design to check the relationship between…

Q: Exercises ol go u s lo ing ad di barl g.lo oi A. Find the critical value t for the given confidence…

A:

Q: 6.8 Obtain a test for Ho:B = c

A:

Q: A scientist claims that pneumonia causes weight loss in mice. The table shows the weights (in grams)…

A: For the given data Perform paired t test

Q: nutritionist wants to conduct a study to determine the efficacy of eating beans as an aid in weight…

A: Confounding is a serious problem in research.

Q: The average annual cost of books for a random sample of 20 college students in both public and…

A: