2 SIGMA NORMAL DISTRIBUTION PLUS

Interpret the slope of the equation.ĭ) Use your model to predict the home attendance for 1998. Describe what you see.ī) Determine the correlation, and comment on its significance.Ĭ) Find the equation of the line of regression. The home attendance ( in millions) for a number of years is shown in the table belowĪ) Make a scatterplot showing the trend in home attendance. I'd be really appreciated if someone can help to explain this quesionĦ) The total home-game attendance for major-league baseball is the sum of all attendees for all stadiums during the entire season. Assuming that a Poisson distribution can model the number of claims, find the probability it receives.Hello, I am really stuck with the below question, and unable to understand on text. What is the range in minutes 68% of the batteries will last? What is the range in minutes? How long will approximately 99.7% of bĪn insurance company receives, on average, two claims per week from a particular factory. The life expectancy of batteries has a normal distribution with a mean of 350 minutes and a standard deviation of 10 minutes. If a light bulb is chosen at random: a) what is the probability the life span will be withįor the statistical file: 2.3 3.4 1.8 3.2 3.2 1.9 3.3 4.5 4.3 5.0 4.8 4.3 4.3 1.9 Determine the sample variance and the median, and from the empirical distribution function, determine P (2.1 Suppose the life span of a revolutionary light bulb is normally distributed with a mean life span of 70 thousand hours and a standard deviation of 3 thousand hours. The participants receiving the top 5% of the s Consider that the scores in the exam are normally distributed with a mean of 78 and a standard deviation of 7.5. In a college entrance exam, the participants are rated as excellent, very good, good, and fair. What was the average yield from one tree if We harvested 130 kg 215 kg 198 kg 284 kg 97 kg 90 kg 160 kg 252 kg of apricots There are eight apricot trees in the garden. If the device involved has four such components, determine the probability that the device is inoperable because precisely one of t There is a 90 percent chance that a particular type of component will perform adequately under high-temperature conditions. Calculate the probability that none of the 10 products selected will have a positive variance if we make selections without repetition

2 SIGMA NORMAL DISTRIBUTION PLUS

There are 200 components in the production batch, of which 26 have a plus deviation from the nominal value. a) What is the probability that a randomly selected light bulb will have a lifespan of more than 320 hours? b) To what value of L hours can the la The lifetime of a light bulb is a random variable with a normal distribution of x = 300 hours, σ = 35 hours. Rope A: Mean breaking strength:500lb the standard deviation of 100lb Rope B: Mean breaking strength: 500lb the standa Which of the following would be the better choice? Explain your choice. b) What is tĪ mountain climber plans to buy some rope to use as a lifeline. a) Determine the probability distribution of the number of torn spindles at time t and the mean and variance. The probability of tearing the yarn on each spindle at time t is 0.005.

The worker operates 600 spindles on which the yarn is wound. Intelligence quotient (IQ) is a standardized score used as the output of standardized intelligence psychological tests to quantify a person's intelligence with the rest of the population (respectively, to a given group). What is the probability that the light bulb will last for at least 2100 hours? The life of the bulbs has a normal distribution with a mean value of 2000 hours and a standard deviation of 200 hours. Determine the two-sided confidence interval for the var Over the last 16 years, the country's unemployment rate has changed according to the following frequency table: years of unemployment: 2 5 2 3 3 1 unemployment rate: 0.5 1 1.5 2 2.5 3 in % (percent). What is the probability that someone will wait less than a minute and a half? The waiting time in the buffet is governed by the normal distribution with a mean value of 130 seconds and a variance of 400. What portion of a given carton of the product is expected to contain_ faulty units? (I) less than 8 (ii) more than The number of faulty units in a carton of a particular product is known to be normally distributed with a Mean of 10 and a variance of 25. Calculate the probability that the selected radius will ex It is known from previous deliveries that the inner bearing radius can be considered a normal N distribution (µ = 0.400, σ2 = 25.10^−6).

One bearing is selected from the shipment of ball bearings.

We encourage you to watch this tutorial video on this math problem: video1 Related math problems and questions:

2 sigma normal distribution