If a rivet is randomly selected, what is the probability that its breaking strength is less than 9500 psi?

Q: .What is the probability that a random fastball exceeds 170 km/h?

A: Let X denote the speeds of a baseball pitcher's fastballs. It is given that The distribution of X is…

Q: The distribution of birth weights (in g) for babies is approximately ?(2750, 560). What is the…

A: We have given that,  If babies birth weights follows normal distribution, with mean( Mu) =2750 and…

Q: A regular hexagonal shaped target with sides of length 14 cm has a circular bull’s  eye with a…

A: NOTE-By bartleby rules, only first question has been answered. As per given by the question, A…

Q: A bar of length l is broken into three pieces at two random spots. What is the probability that the…

A:

Q: In certain experiments, the error made in determiningthe density of a substance is a random variable…

A: Births are uniform (-0.015, 0.015). That is,

Q: A dice is rolled 4 times. What is the probability of showing a 6 on every roll? (Round to 4 decimal…

A: The roll has 6 sides, the probability of rolling a six when the dice are rolled once is 1/6  When…

Q: An estimate of the population mean is . The standard error is . The distribution is…

A: We have given that  Average breaking strength of 6.68 psi and a standard deviation of s = 0.75 psi.…

Q: Find the probability for the experiment of tossing a six-sided die twice The sum is less than 9.

A:

Q: The probability is (Round to four decimal places as needed.)

A: We have given that the Human Resource managers are randomly selected follow Binomial distribution…

Q: seeds per hectare

A: expected plant population= 81000/hectare

Q: Find the probability function and commulative distribution function for number of heads that appear…

A:

Q: A die is rolled four times. What is the probability of obtaining only even numbers given that the…

A:

Q: then the probability that a randomly selected AN screw will measure between 2.6 cm and 3.8 cm is:

A:

Q: If we turn on the Geiger counter, what is the probability, correct to 3 decimal places, that the…

A:

Q: From the sugar bagging area, a conveyor belt conveys bagged sugar to the warehouse at an average of…

A: The probability density function of poisson distribution is given by

Q: A single die is rolled three times. What is the probability that a 1 will show on the upward face at…

A: A single die is rolled 3 times Total Sample Space = 63 = 216 Probability of not showing 1 = 56…

Q: Find the probability for the experiment of tossing a six sided die twice.  The sum is less than 11

A: Given, the experiment of tossing a six sided die twice.Then, the possible outcomes are

Q: The bags of salt packed by a machine have μ=500 g and σ= 35 g, a sample of 100 packages is taken,…

A: In question, Given that The bags of salt packed by a machine have μ=500 g and σ= 35 g, a sample of…

Q: Based on the first table, enter the value of b, the expected number of widowed women who live in the…

A: Given:       Widowed Divorced Separated No longer in a visiting relationship Total Location…

Q: A dice is rolled 4 times. What is the probability of showing a 2 on every roll?  (Round to 4…

A: The probability of an event is defined as,

Q: Suppose the commuting time from North Bay to Barrie varies uniformly from 135 min to 180 min. What…

A: GivenA random variable x~Uniform(135,180)f(x)=1180-135f(x)=145     ; 135≤x≤180and cumulative…

Q: The probability of a positive test result is (Round to three decimal places as needed.)

A: Consider the following notations, A=presence of bacteria is found in an individual sampleB=presence…

Q: The number of telephone calls coming into Grace Floral Shop to place orders averages 3 per minute.…

A:

Q: Find the probability for the experiment of tossing a six-sided die twice. The sum is less than 8.

A: Given data: The numbers of dice rolled are n=2. The expression for the numbers of sample space is,…

Q: A standard die is rolled. What is the probability of rolling a number less than 2?

A:

Q: You randomly shoot a dart onto a 2ft x 3ft size rectangular board. Assume that you never shoot…

A: Geometric Probability: Geometric probability is a method to deal with the problem of infinite…

Q: The probability of getting a reading between 1.50°C and 2.25°C is (Round to four decimal places as…

A: The probability of getting a reading between 1.50°C and 2.25°C is,…

Q: Suppose the commuting time from north bay to Barrie varies uniformly from 135 min to 180min what is…

A:

Q: Derive the mgf of an exponentially distributed random variable with mean β. Verify that(E[Y])2 =…

A:

Q: A regular hexagonal shaped target with sides of length 14 cm has a circular bull’s eye with a…

A: Probability = number of outcomes/ total outcomes

Q: Find the probability that the average length of a randomly selected bundle of steel rods is less…

A: Let X denote the lengths of steel rods. Given that X follows N(mean = 163.4, SD = 1.1)

Q: a. The probability that a pregnancy will last 309 days or longer is (Round to four decimal places as…

A: It is given that the mean is 268 and the standard deviation is 15.

Q: If an individual is selected, find the probability that the individual's pressure will be between…

A: Let X be the individual's systolic blood pressure which follows normal distribution with mean 120…

Q: Using the uniform density curve attached, What is the probability that the random variable has a…

A: Where, Sketch the uniform density curve

Q: At a certain bank the amount of time that a customer spends being served by a teller is exponential…

A: The exponential mean of customer served by teller is 3 minutes.

Q: If the event is a number '5' tuming in rolling a die, simulate rolling a die for 1000 times with…

A: Given Event is number 5 turning in rolling a die. The total number of possibilities when we roll a…

Q: What is the probability that a cell divides in less than 45 minutes? (Round your answer to 5 decimal…

A: Ans#- Given X~N(μ,σ)            where  μ  = 1 hour = 60 minutes  and σ = 5 minutes            Find…

Q: If a probability or 2 place decimal li ke area is found to be 0.77 or 2.59 0.8686, what is the z…

A: Given that the area or probability to the left of the standard normal distribution is;…

Q: In kurtosis, the bell shaped distribution called mesokurtic if the frequency looks more peaked than…

A: Basics:

Q: Solve for the probability that a random sample of 25 sports utility vans has an average within 0.5…

A: Automotive engineers have found that the gas mileage in highway driving of a certain sports utility…

Q: by the exponential distribution with parameter 4. What is the probability that a major repair occurs…

A: Let x be the random variable that indicates time before a major repair of a washing machine which…

Q: selected, what is he probability that the average sugar content is less than 37 grams?

A: Here distribution with Mean = 39 Standard deviation = 15 Now sample of 40 bottles are taken from…

Q: Calculate the probability that the wire selected to be used in the project is not made from copper.…

A: The data is given by   10 12 14 Total Copper 0.12 0.09 0.11 0.32 Iron 0.05 0.15 0.10 0.30…

Q: Find the probability of getting not greater than 3 in a single throw of a die.

A:

Q: The probability that a patient will survive from an exploratory laparotomy operation is 0.75. what…

A: For A, an event, Probability (occurring of A)=P(A)        =Favorable number of cases for the event…

Q: Find the probability rat a sevected braking Cndamly SeIECted brakeing distance is less than 49…

A: Let X be a random variable that represents a braking distance which follows normal distribution with…

Q: A certaln disease has an Incidence rate of 0.4%. If the false negative rate Is 5% and the false…

A:

Q: Find the probability of obtaining a sum that is divided by 2 without remaining * .from a single toss…

A: The outcomes for each of the die is {1, 2, 3, 4, 5, 6}.

Q: A single die is rolled three times. What is the probability that a 3 will show on the upward face at…

A: We will find the probability that 3 does not show at all.  There are 6 numbers on a die. Except "3"…

Q: The number of telephone calls coming into Grace Floral Shop to place orders averages 3 per minute.…

A: (iv) Obtain the probability that 3 or more calls will arrive in a 3-minute interval. The probability…

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.