A manufacturer knows that their items have a normally distributed lifespan, with a mean of 2.7 years, and standard deviation of 0.9 years. If you randomly purchase one item, what is the probability it will last longer than 0 years? Round answer to four decimal places > Next Question

Q: A manufacturer knows that their items have a normally distributed lifespan, with a mean of 7 years,…

A: According to the given information, we have The distribution is normal. Mean = 7 years and Standard…

Q: A particular fruit's weights are normally distributed, with a mean of 771 grams and a standard…

A: Solution: Let X be the weight of a particular fruit. From the given information, X follows normal…

Q: An airline is studying the average length of time that each plane spends on the ground at an…

A: The mean of the sampling distribution of the sample mean is, The standard deviation of the sampling…

Q: A particular fruit's weights are normally distributed, with a mean of 513 grams and a standard…

A: The population mean is 513. The population standard deviation is 18. The sample size is 22. We have…

Q: A manufacturer knows that their items have a normally distributed lifespan, with a mean of 13.9…

A: Mean = 13.9 Standard deviation = 4.5

Q: Calculators from Caseo Company and Sharpy Company has a mean life span that is normally distributed.…

A: X1=Life span of calculators from Caseo company X1~Normalμ1=62, σ1=4 Sample size n1=64   X2=Life span…

Q: A particular fruit's weights are normally distributed, with a mean of 783 grams and a standard…

A: It is given that the mean is 783 and the standard deviation is 24.

Q: Scenario: A researcher gathers information on retirement age to see if it is different than 65…

A: given data, claim: μ≠65n=34X¯=64.8S=10

Q: A particular fruit's weights are normally distributed, with a mean of 517 grams and a standard…

A: Given:             Mean = µ = 517       Standard Deviation = σ = 32

Q: A manufacturer knows that their items have a normally distributed lifespan, with a mean of 2.6…

A: Let X be the random variable from normal distribution with mean (μ) = 2.6 and standard deviation (σ)…

Q: anic sells a brand of automobile tire that has a life expectancy that is normally distributee cee…

A: Given Mean=36000 Standard deviations=2600 Z=-1.282

Q: Question-1) The serum cholesterol levels of a certain population of boys have a mean of 170 mg/dl…

A: Mean()=170standard deviation()=30

Q: A manufacturer knows that their items have a normally distributed lifespan, with a mean of 13.7…

A: Let X be the random variable from normal distribution with mean (μ) = 13.7 and standard deviation…

Q: A particular fruit's weights are normally distributed, with a mean of 776 grams and a standard…

A: The question is about central limit theorem Given : Pop. mean weight of fruits ( μ ) = 776 grams…

Q: Part D please

A: Here X has normal distribution with mean of 75847 and standard deviation of 33800 We have to find…

Q: A particular fruit's weights are normally distributed, with a mean of 702 grams and a standard…

A: Introduction: Define X as the random variable of interest here, denoting the weight of a randomly…

Q: A particular fruit's weights are normally distributed, with a mean of 787 grams and a standard…

A: Sampling distribution of x¯ : If simple random sample of size n is drawn from Normal population with…

Q: A particular fruit's weights are normally distributed, with a mean of 726 grams and a standard…

A: Given:μ = 726σ = 21Thus, X ~ N(μ = 726, σ = 21)

Q: Suppose exam scores in statistics are normally distributed with a mean of 72 and a standard…

A: It is given that the exam scores follows normal distribution with mean 72 and standard deviation 8.

Q: A manufacturer knows that their items have a normally distributed lifespan, with a mean of 2.8…

A: We have to find out given probabiity..

Q: - Suppose one individual is randomly chosen. Find the probability that this person has an IQ greater…

A: Question 12: Let X be the IQ score which follows normal distribution with mean 100 and standard…

Q: A company sells printers with a mean life of 2 years (24 months) and a standard deviation of 4…

A: GIVEN: mean = 24 months           standard deviation = 4 months

Q: The mean number of English courses taken in a two-year time period by male and female college…

A: Given data is appropriate for t-test for difference of means . because the sample size is less than…

Q: A​ bank's loan officer rates applicants for credit. The ratings are normally distributed with a mean…

A: It is given that the ratings are normally distributed with mean 200 miles and standard deviation 50.

Q: A manufacturer knows that their items have a normally distributed lifespan, with a mean of 11.8…

A: The mean is 11.8 and the standard deviation is 2.

Q: A particular fruit's weights are normally distributed, with a mean of 616 grams and a standard…

A: We have to find probability for Mean. Sampling distribution of sample mean ( x¯ ) : If simple random…

Q: The monthly utility bills in a city are normally distributed with a mean of $100 and a standard…

A:

Q: find standard deviation if range is 3.

A: Given: Range = 3

Q: The standard deviation is also called the give-or-take value. True

A: we have to state that the given statement is true or false.  statement : The standard deviation is…

Q: A manufacturer knows that their items have a normally distributed lifespan, with a mean of 5.6…

A: Given, μ=5.6σ=1.8

Q: The life of light bulbs is distributed normally. The mean life time of a bulb is 520 hours and the…

A: Answer: Using the given data, Let X represent the life time of a light bulb X follows normal…

Q: Suppose that replacement times for washing machines are normally distributed with a mean of 8.8…

A:

Q: A particular fruit's weights are normally distributed, with a mean of 674 grams and a standard…

A: Solution: Let X be the weight of a particular fruit. From the given information, X follows normal…

Q: 1.2, 2.7, 5.3, 3.4, 4.1,4.6, 3.3, 2.6. Find the standard  deviation

A:

Q: Adult male height is normally distributed with a mean of 69.3 inches and a standard deviation of 2.3…

A: Let X be the adult male height, which is normally distributed with mean, μ=69.3 inches and standard…

Q: Lonsider a value to be significantly low if its z score less than or equal to -2 or consider a value…

A: It is given that the mean is 5.17165 and the standard deviation is 0.06357.

Q: A manufacturer knows that their items have a normally distributed lifespan, with a mean of 13.2…

A: In question, Given that A manufacturer knows that their items have a normally distributed lifespan,…

Q: A population has a mean of 75 and a standard deviation of 15. You randomly sample 9 from the…

A:

Q: A particular fruit's weights are normally distributed, with a mean of 424 grams and a standard…

A: Given that, Mean = 424 Standard deviation = 26 Sample size = 12

Q: of 11 printers. Part i) Suppose the number of printers drawn is quadrupled. How will the standard…

A: Given:  the printing speed is a Normal random variable with a mean of 17.57 ppm and a standard…

Q: The life of light bulbs is distributed normally. The variance of the lifetime is 900 and the mean…

A:

Q: A smartphone manufacturer knows that their phone battery's have a normally distributed lifespan,…

A: From the provided information, Mean (µ) = 2 years Standard deviation (σ) = 0.5 years X~N (2, 0.5)…

Q: Accrotime is a manufacturer of watches. Accotime researchers have shown that watches hwe an average…

A:

Q: A manufacturer knows that their items have a normally distributed lifespan, with a mean of 12.9…

A:

Q: In a Calculus class, the final exam scores were normally distributed with a mean of 63 and a…

A: Given: The value of mean is, μ=63. The value of standard deviation is, σ=5. The objective is to…