For a certain type of computers, the length of time between charges of the battery is normally distributed with a mean of 50 hours and a standard deviation of 15 hours. John owns one of these computers and wants to know the probability that the length of time will be between 50 and 70 hours.

Q: A manufacturer knows that their items have a normally distributed length, with a mean of 12 inches,…

A: Normal distribution is a continuous distribution that has many real-life applications. A normal…

Q: 3. For a certain type of computers, the length of time bewteen charges of the battery is normally…

A: Given that mu = 50 ,s.d =15 p ( 50 <x<70 ) = ?

Q: a study of the amount of time it takes a mechanic to rebuild the transmission for a 2005 Chevrolet…

A: Given : μ = 8.4 , σ= 1.8 and n= 40 By Central Limit Theorem, x̅ follows a Normal distribution with…

Q: The average time for a courier to travel from Manila to Pampanga is 200 minutes, and the standard…

A: given that  mean (μ) =200sd (σ) = 10

Q: The Energetic Corporation produces electric light bulbs. When everything is going properly, the…

A: Since you have posted multiple sub-parts of question , we will solve first three sub-parts of…

Q: If the total cholesterol values for a certain population are approximately normally distributed with…

A: Let X denote the total cholesterol values for a certain population and it follows normal…

Q: The accountants of a known auditing firm have a mean daily salary of P850 with a standard deviation…

A: X~N(μ= 850 , σ= 82 ) μ= 850 , σ= 82 Formula for Z-score Z=(X-μ)/σ

Q: On the distant planet Cowabunga , the weights of cows have a normal distribution with a mean of 546…

A: Concept of sampling distribution of sample mean: Let a particular characteristic of a population is…

Q: A study of the amount of time it takes a hiker to hike to the bottom of the Grand Canyon and back to…

A: Given: μ = 12 σ = 2.4 n = 9

Q: A manufacturer knows that their items have a normally distributed length, with a mean of 10.6…

A: Obtain the Z-score for the random variable X equals 8.9. The Z-score for the random variable X…

Q: A manufacturer knows that their items have a normally distributed length, with a mean of 10 inches,…

A: We have given that, Items are normally distributed with Mean(Mu) = 10 inches and standard deviation…

Q: A manufacturer knows that their items have a normally distributed length, with a mean of 18 inches,…

A: Let X be the random variable from normal distribution with mean (μ) = 18 inches and standard…

Q: A manufacturer knows that their items have a normally distributed length, with a mean of 10.8…

A:

Q: A manufacturer knows that their items have a lengths that are skewed right, with a mean of 11.5…

A: Given data:     The given mean length is: μ=11.5 in. The standard deviation is: σ=0.5 in. The number…

Q: A manufacturer knows that their items have a normally distributed length, with a mean of 13.5…

A: Let "X" be the length of the items.

Q: A manufacturer knows that their items have a normally distributed length, with a mean of 7.2 inches,…

A: Given data,μ=7.2σ=1.3P(x<4.8)=?

Q: The weight of a bag of sugar is normally distributed with mean of 550g and a standard deviation of…

A:

Q: A manufacturer knows that their items have a normally distributed length, with a mean of 14.7…

A:

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

A:

Q: A manufacturer knows that their items have a normally distributed length, with a mean of 15.4…

A: We know it is normally distributed. So we can use the z - probability formula. z=x-μσ Here, μ -…

Q: The owner of a fish market has an assistant who has determined that the weights of catfish are…

A: Given information:

Q: A manufacturer knows that their items have a normally distributed length, with a mean of 14.8…

A:

Q: A manufacturer knows that their items have a normally distributed length, with a mean of 15 inches,…

A: Mean = 15 Standard deviation = 1

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: A manufacturer knows that their items have a normally distributed length, with a mean of 12.5…

A: given  A manufacturer knows that their items have a normally distributed length, with a mean of 12.5…

Q: A study of the amount of time it takes a mechanic to rebuild the transmission for a 2005 Chevrolet…

A: Given Information: Mean = 8.4 Standard Deviation = 1.8 n = 40

Q: 9) For a certain type of computer, the length of time between charges of the battery is normally…

A:

Q: A manufacturer knows that their items have a normally distributed length, with a mean of 15.5…

A: As per Bartleby guideline expert have to answer first question only dear student please upload other…

Q: On the distant planet Cowabunga, the weights of cows have a normal distribution with a mean of 605…

A:

Q: A manufacturer knows that their items have a normally distributed length, with a mean of 12.6…

A: Mean = 12.6 Standard deviation = 1.9

Q: For a certain type of smart phone the length of time between charges of the battery is normally…

A: Let X denotes the length of time between charges.  It is given that X~ N (50, 15).

Q: On the distant planet Cowabunga , the weights of cows have a normal distribution with a mean of 424…

A:

Q: A company produces lightbulbs whose life follows a normal distribution, with a mean of 1,200 hours…

A: Given: A company produces lightbulbs whose life follows a normal distribution, with a mean of 1,200…

Q: The owner of a fish market has an assistant who has determined that the weights of catfish are…

A:

Q: A manufacturer knows that their items have a normally distributed length, with a mean of 19.3…

A: Given information: A manufacturer knows that the length of its items are normally distributed…

Q: Suppose the heights of 18 year old men are approximately normally diatributed, with mean 67 inches…

A: Mean = 67 Standard deviation = 5

Q: On the distant planet Cowabunga , the weights of cows have a normal distribution with a mean of 407…

A: Let X denote the weights of cows have a normal distribution with a mean of 407 pounds and a standard…

Q: At a certain beer bottling plant, the amount of beer that is put in a bottle is known to be…

A:

Q: On the distant planet Cowabunga , the weights of cows have a normal distribution with a mean of 526…

A:

Q: A manufacturer knows that their items have a normally distributed length, with a mean of 9.3 inches,…

A:

Q: 3. For a certain type of computers, the length of time bewteen charges of the battery is normally…

A: Given information: Mean=50 hours and standard deviation=15 hours. That is, μ=50 and σ=15

Q: A manufacturer knows that their items have a normally distributed length, with a mean of 9.6 inches,…

A: Since you have posted more than one question  we have solved the first question for you.  For…

Q: A manufacturer knows that their items have a normally distributed length, with a mean of 9.6 inches,…

A: GivenMean(μ)=9.6standard deviation(σ)=2.8

Q: On the distant planet Cowabunga , the weights of cows have a normal distribution with a mean of 530…

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

Q: A manufacturer knows that their items have a normally distributed length, with a mean of 9.7 inches,…

A:

Q: A manufacturer knows that their items have a normally distributed length, with a mean of 6.7 inches,…

A:

Q: An electrical company claims that the average life of the bulbs it manufactures is 1200 hours with…

A:

Q: On the distant planet Cowabunga , the weights of cows have a normal distribution with a mean of 542…

A: Let X be the weight of cows which follows normal distribution with mean 542 pounds and standard…

Q: A manufacturer knows that their items have a normally distributed length, with a mean of 13.4…

A:

Q: A factory produces LED bulbs with an average lifespan of 50,000 hours and a standard deviation of…

A: Given dataMean = 50000Standard deviation = 4000If it is known that a bulb already has lasted for…

Q: A manufacturer knows that their items have a lengths that are skewed right, with a mean of 11.2…

A:

Q: A manufacturer knows that their items have a normally distributed length, with a mean of 17 inches,…

A: Let X be the length of the item. We have, μ=17, σ=5.4  We want to find out P(X<4.8) when X=4.8,…

Q: The weights of newborn babies are distributed normally, with a mean of approximately 115 oz and a…

A:

Q: On the distant planet Cowabunga, the weights of cows have a normal distribution with a mean of 538…

A:

Q: On the distant planet Cowabunga, the weights of cows have a normal distribution with a mean of 605…

A: The provided information are:

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.