These are the times, in seconds, that 15 members of an athletics club took to run 800 metres. 139 148 151 140 162 182 154 171 157 142 145 178 132 148 166 li) Draw a stem-and-leaf diagram of the data. (ii) Find the median, the upper and lower quartiles and the interquartile range. (iii) Draw a box-and-wvhisker plot of the data.

Q: The average elementary teacher's salary in Recolet Schools is P21,200. Assume a normal distribution…

A: Mean(µ) = 21200Standard deviations (σ) = 2500 Sample size (n) = 36

Q: fa,p(x) xx B,a > 0, B E (0, 00) %3D xa+1 Find minimal sufficient statistics for (a, B).

A:

Q: Q 5. If U = {1, 2, 3, 4, 5, 6, 7, 8}, A = {1, 3, 5, 7}, B ={1, 2, 3, 5, 6, 7, 8}; werify that (AU BY…

A:

Q: Question 27 The owner of a small business is considering three options: buying a computer, leasing a…

A:

Q: Medical researchers are interested in determining the relative effectiveness of two drug treatments…

A: We have given the following data  Sample mean 1=188 Sample mean 2= 185 Sample standard deviation 1 =…

Q: At a large manufacturing company the mean age of workers is 37 years, and the standard deviation is…

A:

Q: The accompanying data shows a sample of pulse rates (beats per minute) that were categorized with…

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

Q: For which of the following situations would a binomial distribution not be a reasonable probability…

A: We have given that the statements about to the binomial distribution. Here, need to find out the…

Q: Find the​ Z-scores that separate the middle 22​% of the distribution from the area in the tails of…

A: Let z be the standard normally distributed random variable with mean 0 and standard deviation 1

Q: Calculate the following using the provided normal probability table. Illustrate your answers with…

A: Given that

Q: wenty-six percent of couples who plan to marry this year are planning destination weddings. In a…

A: Given that  Twenty-six percent of couples who plan to marry this year are planning destination…

Q: SJS Travel Agency, a nation wide local travel agency, offers special rates on summer period. The…

A: Given that -

Q: It is known that approximately 90% of the population is right-handed. In a sample of 100 people,…

A:

Q: 2. Use the binomial theorem to show that for all integers n2 1, 3" = (6) + 2 (4) + 2² (") + --+ 2"…

A: 3n can be written as (2+1)n which can be expanded by the use of binomial theorem, hence the…

Q: 2. A research study was done to test whether aspirin was beneficial in reducing myocardial…

A: Note: Hi, there! since multiple sub-parts were posted, we are answering first three subparts for…

Q: In a Math test, the mean score is 45 and the standard deviation is 5. Assuming the scores are…

A:

Q: Could you please explain the integration part? It's not clear to me how reached to the answer

A:

Q: Example 4 friends each choose a random number between 1 and 5. What is chance that any of them chose…

A: Given that, 4 friends each choose a random number between 1 and 5. We need to find the chance that…

Q: only one answer is correct

A:

Q: A population has mean 555 and standard deviation 40. Find the mean and standard deviation of sample…

A:

Q: Use the Relationship Between the F Test Statistic and the P-value flow chart interactive to answer…

A: Using the Relationship Between the F Test Statistic and the P-value flow chart interactive to answer…

Q: A fair die is rolled seven times. Calculate the probability of obtaining exactly two 3s.

A: here given ,  fair die is rolled 7 times  n=  7 here for fair die , possible Outcomes 1,2,3,4,5,6…

Q: Determine the frequencies for the groupings below for each section and determine the percentages for…

A: Grouped frequency distributions are useful for large data.

Q: A doorman is holding 9 keys in which only 1 key will work on a room number 2A. What is the…

A: Given that  A doorman is holding 9 keys in which only 1 key will work on a room number 2A. Total…

Q: 5. A pair of dice is tossed. Find the probability of getting a total of 8.

A:

Q: For the joint probability density function f(x,y)= k(x² +y²), Find k Find the marginal and…

A:

Q: Ruby’s dog has 8 puppies. The puppies include white females, 3 mixed-color females, 1 white male,…

A:

Q: In order to evaluate the diagnostic accuracy of a new rapid test for COVID-19, results of the…

A: Please find the explanation below. Thank you

Q: 4. Upper confidence limit 0.820 Lower confidence limit 0.490 5. Upper confidence limit 0.715 Lower…

A:

Q: b. Create a probability distribution showing the number of "heads" obtained. Let X represent the…

A: X represents the value of the number of Heads in 20 tosses of a coin. The probability of getting a…

Q: Section C 80 85 75 76 81 76 75 76 76 96 85 78 73 81 89 74 74 76 86 74 90 75 88 79 86 81 90 89 88 85…

A:

Q: During one year, a particular mutual fund outperformed the S&P 500 index 32 out of 52 weeks. Find…

A: Given that - During one year, a particular mutual fund outperformed the S&P 500 index 32 out of…

Q: QUESTION 20 "When running a t-test, it is essential that you select the right one for your…

A:

Q: 2. The following MINITAB output presents the results of a hypothesis test for a population mean µ.…

A: For the given  MINITAB output Answer all the questions

Q: Omar is at the grand opening celebration of a supermarket. He spins a wheel with 10 equal-sized…

A: Given data omar is at the grand opening celebration of a super market.He spins a wheel with 10 equal…

Q: QUESTION 18 Conducting a one sample z-test rather than a paired samples t-test (same group tested…

A: Given that - Conducting a one sample z-test rather than a paired samples t-test (same group tested…

Q: Dyslexia refers to a specific reading disability that affects 10% to 15% of the general population.…

A: Given information: The information about a specific disability that affects 10% to 15% of the…

Q: ction. lowing. eight in centimeters includi

A: Given: 149.2 150.1 150.3 155.4 158.3 159.1 160.5 165.2 168.4 170.4 175.5…

Q: The average score of employees on a mental examination is 120. Suppose that nothing is known about…

A:

Q: This is not correct- I tried 3x. If you count the x's, there are 5 of them listed

A: Given the , discrete probability  mass function in terms of x: Outcome 1 2 3 4 5 6 Probability…

Q: 3. The random variable x represents the number of cars per household in a town of 1000 households.…

A: 3)Given data is  Cars Households 0 125 1 428 2 256 3 108 4 83

Q: The dean of a business school claims that the average monthly income of his school's Bachelor of…

A: It is given that the mean is 24,700 and the standard deviation is 4,100.

Q: The paint used to make lines on roads must reflect enough light to be clearly visible at night. Let…

A:

Q: 1. Let W be a random variable giving the number of heads minus the number of tails in three tosses…

A: Probability: The probability tells the chance or possibility of an incident whose outcome is not…

Q: The following experiment is repeated 5 times: a fair coin is tossed, and if the outcome is heads, a…

A: The six sided die is rolled when coin's outcome is heads. The 20-sided die is rolled when coin's…

Q: Direction: Analyze the given problem and show your complete and detailed solution using…

A: Given: A special plate number is made of three letters in the English Alphabet followed by two-digit…

Q: Let 0 denote the probability that a randomly sampled individual in some population voted…

A:

Q: Commute Times for Com Commute Times for Company B Frequency 64 Frequency 5. 70 80 10 70 80 50…

A: Solution: We are interested in explaining the variation in both the histogram.

Q: An electrical appliance made by company A has an average life of 2500 hours, with a standard…

A: Given that  An electrical appliance made by company A has an average life of 2500 hours, with a…

Q: Medical researchers are interested in determining the relative effectiveness of two drug treatments…

A: Given ,  First group :  Sample size = n1 = 10  Sample mean = x¯1 = 188 days  Sample standard…