The transmission on a model of a specific car has a warranty of 40,000 miles. It is known that the life of such a transmission has a normal distribution with a mean of 72,000 and a standard deviation of 13,000 miles. (Give your answer as a percentage correct to two decimal places. Do not put the % symbol in the answer box)   What % of transmissions will fail before the end of the warranty period?   What % of transmissions will be good for more than 100,000 miles?

Q: The weights of a certain dog breed are approximately normally distributed with a mean of 51 pounds,…

A: given data,normal distributionμ=51σ=7.7we have to find out the given probabilities.

Q: The distribution of the lengths of a commercially caught fish is bell-shaped with mean 24 cm and…

A: the PDF of normal distribution is = 1/σ * √2π * e ^ -(x-u)^2/ 2σ^2standard normal distribution is a…

Q: The amount of time a Roanoke College student spends on Instagram has an approximately exponential…

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…

Q: the data set has size 50. Approximately how many observations lie within three standard deviation to…

A: Empirical rule (68-95-99.7 rule): Approximately 68% of data lies within the first standard…

Q: Given a set of data that is skewed-left, there is at least _____ % of the data within 3 standard…

A: From the given information, Consider, As it has been given that data is left skewed as a result one…

Q: A race director is preparing for an upcoming marathon and estimates that the mean time to finish is…

A:

Q: Suppose a population has a mean of 100 and a standard deviation of 15. If repeated samples of size…

A: Given: n = 25 σ=15μ=100 The standard deviation of the sample means can be calculated as: σX=σn

Q: In a population of ages where the mean age is 45 and the standard deviation is 5.25, what are the…

A: Given mean age = 45Standard deviation = 5.25The Z score with 0.0505 to its left is -1.64 and the Z…

Q: The weights of a certain dog breed are approximately normally distributed with a mean of 53 pounds,…

A: Given that, The random variable X is the weight of a certain dog breed It is normally distributed.…

Q: A set of data is normally distributed with a mean value of 229 and a standard deviation of 9.2. What…

A: Suppose the variable of interest is x.The random variable x follows normal distribution with mean…

Q: The 12th earthquake listed on Data Set 21 had a magnitude of 2.83. Find the z score corresponding to…

A: From the given information, the mid range is 2.83 Mean=2.5723 SD=0.6505 That is,…

Q: Find the percentage of dogs of this breed that weigh less than 52 pounds. % b) Find the percentage…

A: Let X be the random variable that the weights of a certain dog breed.Given that,To find the…

Q: The weights of a certain dog breed are approximately normally distributed with a mean of 50 pounds,…

A: a)Suppose the random variable x defines the weight of a certain dog breed.

Q: There are four brothers in a family.  Their ages are 7 years,10 years,15 years, and 21 years.…

A:

Q: find the mean, standard deviation, the IQR, and tell how the data is skewed, if it is. using the…

A: If the distribution is divided into two parts and the two sides are a mirror image of each other,…

Q: An engineer wishes to determine the width of a particular electronic component. If she knows that…

A:

Q: A standardized test has a pop. mean of 152 and a standard deviation of 16. Molly scores at the 91st…

A:

Q: An engineer wishes to determine the width of a particular electronic component. If she knows that…

A: Assume that μ is the population mean width of a particular electronic component.

Q: Given the frequency table below for a list of the number of holes groundhogs dug in randomly…

A: values(x) frequency(f) fx 11 1 11 12 5 60 13 3 39 14 1 14 15 2 30 16 3 48 17 4 68 18…

Q: A mechanic sells a brand of automobile tire that has a life expectancy that is normally​…

A: Given data is Mean(μ)=26000standard deviation(σ)=2100

Q: A person completes a timed task and is told that their z-score for the task is 1.36. The mean for…

A: Given: Population mean (µ) = 10.75 Population standard deviation (σ) = 2.40 z-score = 1.36

Q: Suppose that prices of a gallon of milk at various stores in one town have a mean of $3.60 with a…

A: Here is the explanation is as follows; Given that prices of a gallon of milk at various stores in…

Q: We know that IQ scores are normally distributed with a mean of 100 and a standard deviation of 15.…

A:

Q: A race director is preparing for an upcoming marathon and estimates that the mean time to finish is…

A: Here, μ=308 and σ=54

Q: A statistics professor surveys all 100 of the students in an introductory statistics lecture. The…

A: In this context, it that the professor conducts the survey on all 100 students in an introductory…

Q: Use a normal distribution table or a statistical calculator to answer this question. A farm…

A:

Q: A quantitative data set has size 50. At least how many observations lie within three standard…

A: The size of the data set is 50.

Q: The average driver spends $54 at the gas station each week with a standard deviation of $8. Assuming…

A:

Q: An engineer wishes to determine the width of a particular Electronic Component. If she knows that…

A: Given,Standard deviation σ = 3.8confidence level is 90%Margin of Error E = 0.2

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.