The probability function for the number of seizures, X, of a typical epileptic person in any given year is given in the following table. Calculate the standard deviation in the number of seizures is x 0 2 4 6 f(x) 0.17 0.21 0.18 0.11 0.16 0.17 10 4.11 None of the choices 5.07 O 3.47
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- A recent poll indicated that 31.61% of Canadians planned on attending a Remembrance Day Ceremony this year. A statistician randomly selected n = 574 Canadians aged 18 or over, and asked each one if he/she plans on attending a Remembrance Day Ceremony this year. (a) Complete the statement below. Enter your answer using all the decimals you can. The distribution of? with a meanμ and a standard deviation σ (b) What is the probability that the proportion/percentage of the n = 574 Canadians sampled who plan on attending a Remembrance Day Ceremony is between 28% and 36%? Enter your answer using all the decimals you can. (c) Find the probability that the value of the sample proportion/percentage will be at most 25%. P(0.25)= Enter your answer using all the decimals you can.The round off errors when measuring the distance that a long jumper has jumped is uniformly distributed between 0 and 6 mm. Round values to 4 decimal places when possible. a. The mean of this distribution is 3 b. The standard deviation is 1.7321 c. The probability that the round off error for a jumper's distance is exactly 2.7 is P(x = 2.7) = d. The probability that the round off error for the distance that a long jumper has jumped is between 0 and 6 mm is P(1.9 1.5) = f. P(x > 4.7 | x > 1.6) = g. Find the 47th percentile. h. Find the minimum for the upper quartile.Assume that the probability of a being born with Genetic Condition B is p = 7/60. A study looks at a random sample of 826 volunteers. Find the most likely number of the 826 volunteers to have Genetic Condition B. (Round answer to one decimal place.) H = Let X represent the number of volunteers (out of 826) who have Genetic Condition B. Find the standard deviation for the probability distribution of X. (Round answer to two ecimal places.) 0 = Use the range rule of thumb to find the minimum usual value µ-20 and the maximum usual value μ+2o. Enter answer as an interval using square-brackets only with whole numbers. usual values =
- Assume that the probability of a being born with Genetic Condition B is p = 11/60. A study looks at a random sample of 1384 volunteers. Find the most likely number of the 1384 volunteers to have Genetic Condition B. (Round answer to one decimal place.) μ = Let X represent the number of volunteers (out of 1384) who have Genetic Condition B. Find the standard deviation for the probability distribution of X. (Round answer to two decimal places.) 0 = Use the range rule of thumb to find the minimum usual value µ-20 and the maximum usual value μ+20. Enter answer as an interval using square-brackets only with whole numbers. usual values=About 3% of the population has a particular genetic mutation. 700 people are randomly selected. Find the standard deviation for the number of people with the genetic mutation in such groups of 700. (If possible, round to 1 decimal place.)Let X be the number of workouts a person does in a week. Suppose that X has the following probability distribution: 3 e d C # $ SB 4 C A. What is the expected number of workouts a person Standard deviation = r Expected value B. What is the standard deviation of the number of workouts a person f V You can use the tool below to help you compute standard deviation. % 5 t ca b 6 X 0 P p| 0.09 Oll y h hop & 7 n 1 2 3 0.14 0.43 | 0.25 O u does per Round to 2 decimal places, as needed. does per week? j Round to 2 decimal places, as needed. * 00 week? 8 4 0.09 3 k ( 9 O < alt O р ctrl [ ? + 11 = 1 < backs 1
- The monthly return of a particular stock follows the normal distribution with mean 0.01 and standard deviation 0.14. Find the probability that the monthly return of the stock will be between -0.02 and 0.05. Select one: O a. 0.9691 O b.0.5309 O C.0.1973 d. 0.8027 e. 0.0309H.W :A study determined that the difference between the quoted to women and men for used cars is normally distributed with mean $ 400 and standard price f(x) deviation $50. let X be the amount quoted to a woman minus the amount quoted to a man for a given used car, find The probability P(275 < X < 500) that is shown as the shaded area in Fig. 6-20. 275 400 500Storm damage can occur to homes in any given year, with the amount of damage varying randomly from year to year. Let X represent the dollar value of storm damage in a given year. It is known that in 95% of the years, X = $0, while in 5% of the years, X = $20,000. What is the expected value and standard deviation of the damage in any given year?
- The round off errors when measuring the distance that a long jumper has jumped is uniformly distributed between 0 and 5.8 mm. Round values to 4 decimal places when possible. b. The standard deviation is c. The probability that the round a. The mean of this distribution is off error for a jumper's distance is exactly 0.3 is P(x-03)-d. The probability that the round off error for the distance that a long jumper has jumped is between 0 and 5 8 mm is PC1.7 x 5.2)- that the jump's round off error is greater than 1.76 is P(x > 1.76) Find the 81st percentile. e. The probability f P(x > 1.4 x > 0.6) h. Find the mnmum for the upper quartile.A normal distribution has a mean of 40 and a standard deviation of 5. Find the probability that a randomly selected x-value from the distribution is in the given interval 20 20 25 30 35 40 45 50 55 25 30 35 X % (to the nearest percent) 60 d 40 45 50 55 60 X % (to the nearest tenth of a percent)please find a, b, c and d
