QUESTION 6 The lifetime of a certain battery is normally distributed with mean value of 10 hours and standard deviation of 1 hour. Suppose a package contains 16 batteries. What is the probability that the lifetime value of the total lifetime of all batteries exceeds 170 hours? O a. 0.1587 O b.0.9938 OC.0.0062 O d. 0.8413

Q: What is the probability that there are exactly 5 sightings within 5 months?   b. What is the mean…

A: here use poisson and exponential distribution The number of stork sightings on a route in South…

Q: Question 5 Provide an appropriate response. Given the table of probabilities for the random…

A: Identify the correct option for the given statement. The correct option is identified below as…

Q: QUESTION 7 The average number of radios sold per day by a firm is approximately Poisson, with a mean…

A: Given the average number of radios sold are 1.2 per day.. Let X be the the number of radios sold.…

Q: Question 5 The mean number of ski injuries at Mont Tremblant that require treatment follows a…

A: Given  X~Pois(λ=3) P(X<2)=?

Q: Question 8 The lifetimes of interactive computer chips produced by a certain semiconductor…

A:

Q: Question No. 5 "Chief Grill" is a local restaurant, its annual data shows that the average sale of…

A: Given, Mean μ =1200 Standard deviation σ = 102 a) =P(x< 1000)= P ( x- μ /σ < 1000 - μ /σ )=P(z…

Q: QUESTION 21 The lifetime of a new battery used in a digital clock has a mean of 300 days and a…

A:

Q: Question 4 [25] The amount of time devoted to preparing for a statistics examination by students is…

A:

Q: QUESTION 7 The weekly salaries of public health workers in one state are normally distributed, with…

A:

Q: QUESTION 18 The service time for customers coming through a checkout counter has mean 50 seconds and…

A:

Q: QUESTION 12 If a random sample of size 20 is drawn from a normally distributed population with mean…

A: Given  n=20, mu=23,s=6.39 We want to find the P(Xbar>24.898)= ?

Q: Question 3: Suppose tree diameters of a certain species of tree from some defined forest area are…

A: Given mean, μ = 7 cm Standard deviation, σ = 2 cm X ~ N (μ, σ)

Q: QUESTION 7 Suppose that total cholesterol in US men aged 35-44 can be modeled by a normal…

A:

Q: QUESTION 23 The probability distribution of the number of daily network blackouts is given by 1 3 p(…

A: We have given that,  X be the random having probability mass function (p.m.f) is,      X :-     1…

Q: Question 3: Statistical Inference 15. The mean service time at the McDonalds in Kennedy Town is 3…

A: A sample of 49 stores; n=49 Sample mean is 19 and sample standard deviation is 7 x=19s=7α=0.05

Q: Question 6 – The average starting salary of this year's graduates of a large university (LU) is…

A: Hi, thank you for the question. As per our Honor code, we are allowed to attempt first three sub…

Q: QUESTION 13 A life insurance salesman sells on the average 6 life insurance policies per week. Use…

A:

Q: QUESTION 3 a) The waiting time at an elevator in a shopping mall is approximately normally…

A: Given that  X~N( μ = 3.2 , ? = 1.5 ) μ = 3.2 , ? = 1.5 Z-score =( x - μ )/? Note: According to…

Q: The probability that a house in an urban area will be burglarized is 5%. A sample of 50 houses is…

A: (d) The standard deviation of the number of burglarized houses is 0.353, which is obtained below:…

Q: QUESTION 18 The service time for customers coming through a checkout counter has mean 50 seconds and…

A: Let, X=the service time Given that X follows a normal distribution with mean=50 and standard…

Q: QUESTION 6 If 6 of 24 remote controls were defective, then the mean of the probability distribution…

A: 6 out of 24 remote are defective.

Q: QUESTION 7 The fill weight of a certain brand of adult cereal is normally distributed with a mean of…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: receive or send an average of 41.5 text messages per day. A. How many text message users receive or…

A: (A)   If Patients receive 41.5 text messages in 24 hour then Patients will receive 41.524=1.729 text…

Q: Question 6 The table lists the drinking habits of a group of college students. If a student is…

A: Given  Number of Non drinker =322 Total number =398 We want to find the probability of getting…

Q: QUESTION 8 The age of population of jurors in certain area is normally distributed with mean age of…

A: Given :  The age of population of juniors in certain area is normally distributed Mean age of…

Q: QUESTION 1 The service time for customers coming through a checkout counter has mean 128 seconds and…

A:

Q: QUESTION 3 A certain type of engines lasts, on average, 4.0 years with a standard deviation of 0.5…

A: Obtain the Z-score of the random variable X equals 3.6. The Z-score of the random variable X…

Q: Question 3* Suppose that a certain type of metallic tube contains on the average five defective per…

A:

Q: QUESTION 1 Ale insurance salesman sels on the average 3 life insurance policies per week. Use…

A:

Q: QUESTION 5 A manufacturer of a lightbulb claimed that its lightbulbs have a mean lifetime of 700…

A: GivenMean(μ)=700standard deviation(σ)=120sample size(n)=144

Q: QUESTION 4:   If the average yield of cucumber acre is 800 kg, with a variance 1600 kg, and that…

A:

Q: The probability that a house in an urban area will be burglarized is 5%. A sample of 50 houses is…

A: Note: Hi there! Thank you for posting the question. As there are multiple sub parts, according to…

Q: QUESTION 21 The number of messages sent to a computer bulletin board is a Poisson random variable…

A:

Q: Question 3: Statistical Inference 15. The mean service time at the McDonalds in Kennedy Town is 3…

A: As per the Bartleby guildlines we have to solve first question and rest can be reposted.... Given…

Q: QUESTION 2 Considering the same data: The weekly probability for the number of sold cars by a car…

A: The probability distribution for the number of sold cards by a car salesman is given.

Q: QUESTION 4 A sample of size 40 is taken from an infinite population whose mean and standard…

A: We have to find correct answer..

Q: QUESTION 4 The service time for customers coming through a checkout counter has mean 50.4 seconds…

A: A continuous random variable X is said to follow Normal distribution with parameters μ and σ2 if its…

Q: Question 4: The percentage of adult smart phone users who use TikTok has increased over time. Assume…

A: Note: Hi there! Thank you for posting the question. As there are multiple sub parts, according to…

Q: Question [3]: Extensive data, including that the number of activities per week can be modeled as a…

A:

Q: QUESTION 3 a) The waiting time at an elevator in a shopping mall is approximately normally…

A: Given that  X~N( μ = 3.2 , ? = 1.5 ) μ = 3.2 , ? = 1.5 Z-score =( x - μ )/? Note: According to…

Q: QUESTION 19 A new electric car has batteries that can power the car for a certain amount of time. Of…

A: Given,mean(μ)=28standard deviation(σ)=10and the cars operation time is normally distributed

Q: QUESTION 13 A life insurance salesman sells on the average 5 life insurance policies per week. Use…

A: Answer - Given, A life insurance salesman sells on the average  5  life insurance policies per week.…

Q: Question 2 A particular fruit's weights are normally distributed, with a mean of 718 grams and a…

A:

Q: QUESTION 3 A certain type of engines lasts, on average, 4 years with a standard deviation of 1.4…

A:

Q: Question 1: A random variable is distributed normally with mean 3200 and standard deviation 800.…

A:

Q: Question 2: A random variable is distributed normally with mean 3200 and standard deviation 800.…

A:

Q: Question – 4: Normal Distribution & Z-table Suppose that the time required for a machine to stick a…

A: Given: μ=2σ=1n=100 The probability that sticking labels for 100 bottles takes more than 215 seconds…

Q: Question 14: A bottling company uses a filling machine to fill plastic bottles with an orange juice.…

A: We have to find out given probability...

Q: QUESTION 3 The length of an injection-molded plastic case that holds magnetic tape is normally…

A: Given : μ=90σ=2X~N(μ=90,σ2=(2)2) We want to find,P(X<87 or X>93)=?

Q: Pregnancy Length Question 2 The length of human pregnancies from conception to birth varies…

A: Solution: Let X be the length of human pregnancies from conception to birth. From the given…

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.