with a standard deviation of 0.68 years. What ages (rounded to two decimal places) would represent the middle 36%?

Q: The time for degree completion was record below. Years 4 6 5 6 5 8 Calculate the standard…

A: Calculation:The number of observations on time for degree completion (years) is, n = 6. Denote xi as…

Q: Calculate the harmonic mean of the following values: 15,250, 15.7, 157, 1.57, 105.7, 10.5, 1.06,…

A:

Q: The length of time running shoes last can be modeled by an exponential distribution. On average a…

A: Given: Exponential distribution:

Q: Given: 4 = 43,0 3. What is the raw score when:

A: Let X be the raw score from normal distribution with mean (μ) = 45 and standard deviation      (σ) =…

Q: Calculate the Harmonic mean of the following values : 15, 250, 15.7, 157,1.57, 105.7, 10.5, 1.06,…

A:

Q: (d) Compute the mean u. Round the answer to two decimal places. Hx

A:

Q: Consider that blood pressure readings are obtained from nearly 200,000 participants in a a…

A: It is given that  Mean, μ = 85 Standard deviation, σ = 13

Q: In a group of 21 students attending a party, the average age is 21.6 years. A 23-year-old student…

A: Given information-In a group of 21 students attending a party, the average age is 21.6 years.A…

Q: Tossing Coins Find the mean, variance, and standard deviation for the number of heads when 19 coins…

A: Let X be the number of heads and n be the number of coins tossed.

Q: Use either your graphing calculator or Table A.2. Round to 4 decimal places if necessary. The birth…

A: Given: Population mean μ=7.46 Population standard deviation σ=1.8 Consider X be the random variable…

Q: a. Which player had the higher average points when compared to the other players on his team?

A:

Q: Following is the probability distribution for age of a student at a certain public high school. 13…

A:

Q: what range of raw scores makes up the middle 40%

A: The middle 40% means, the scores lie between 30th and 70th percentile. From stand normal, z-score…

Q: Data Points 1.2 4.8 8.4 12.0 15.6 frequency 5 8 30 5 3

A: data points frequency 1.2 5 4.8 8 8.4 30 12.0 5 15.6 3 total 51

Q: uppose you go to the grocery store and spend $92.54 for the purchase of 12 items . What is the mean…

A: Given that  Amount spent  = $92.54 Number of items bought = 12     We know that  Mean amount =…

Q: Calculate the 60th percentlle of the data shown 2.7 7.3 9.6 10.1 12.1 21

A: Given that, The number of observations is given. Percentile is given by,

Q: Your lemonade stand takes in $ 6.00 on a weekday and $ 12.50 each on Saturday and Sunday. With these…

A: We have to find out given mean.

Q: For the month of April, a checking account has a balance of $539 for 22 days, $2318 for 3 days, and…

A: To calculate the mean daily balance for April, we need to determine the total balance for the entire…

Q: Find the mean, variance and standard deviation. round all answers to on decimal place

A:

Q: is 6% is your standard deviation?

A: Given according to question Sample size(N)=? Confidence =95% Margin of error = 5% Now question says…

Q: Points in Rose Bowl Games The data show the number Use a graphing calculator. Class limits 15-22…

A: Given frequency distribution table is,Class limitsFrequency (f)15 - 221023 - 301231 - 38539 - 46747…

Q: THE FF. WERE THE RESULTS OF THE EXAMINATION CONDUCTED FOR GRADUATING STUDENTS. FIND THE STANDARD…

A: From the provided information, The frequency distribution table is as follow: Score interval f…

Q: If you buy one ticket everyday for 365 days, find the mean and standard deviation for the numbers of…

A:

Q: Find the Mean In a normal distribution, find u when o is 8 and 15.15% of the area lies to the left…

A: The standard deviation is 8.

Q: The ages of the winners of a cycling tournament are approximately bell-shaped. The mean age is 27.5…

A: a) The Z-score of a random variable X is defined as follows: Z = (X – µ)/σ. Here, µ and σ are the…

Q: A binomial experiment has the given number of trials n and the given success probability p. n=18,…

A: According to the given information, we have Sample size, n = 18 Probability, p = 0.9

Q: Suit Sales The number of suits sold per day at a retail store is shown in the table, with the…

A: Given table is : Number of suits sold X1718192021Probability P(X)0.10.10.30.10.4We have to find the…

Q: Approximately 1.4% is not correct

A: 1 - (1 - 1/5040)^75 = 0.01477223285

Q: ndard deviation is sample of 45 indiv

A: a) The average number of kilos of meat is 90 and SD is 10μ=90σ=10n=45b) The average number of kilos…

Q: Today, the waves are crashing onto the beach every 4.3 seconds. The times from when a person arrives…

A: Given: Waves are crashing onto beach 4.3 seconds.  The times from when a person arrives at the…

Q: The average number of kilos of meat a person consumes in a year is 110 kilos. Assume that the…

A: 1)GivenMean(μ)=110standard deviation(σ)=12sample size(n)=45