The masses, in grams, of plums of a certain kind have the distribution N(55, 18). iii) The plums are packed in bags, each containing 10 randomly selected plums.

Q: The amount of time an athlete spends working out on a treadmill is normally distributed.  With a…

A:

Q: Find the area under the standard normal distribution represented by each probability. (Round your…

A: a) p(z<-1.52) =  0.0643 The probability is = 0.0643  b) p(z>0.53) = 1-p(z<0.53) =1 - 0.7019…

Q: Intelligence quotients (IQ scores) are normally distributed with a mean of 100 and a standard…

A: Given data,μ=100σ=15

Q: The volume of a rock is measured by placing the rock in a graduated cylinder partially filled with…

A:

Q: When considering respiration, the tidal volume is the volume of air that is inhaled or exhaled…

A: We have given that Mean(µ) = 510Standard deviations (σ) = 20X ~ N (µ, σ )= N(510, 20)

Q: 11? the word "mean" was left out. It should read: "If 20 people are randomly selected, find the…

A: n = sample size = 20 According to central limit theorem, if the distribution of the population is…

Q: 9??

A: Step 1: Find the proportion less than 172 days First find the z-score:z=3.5172−175​=−0.85714 Use…

Q: 8 5 Male 19 Female 6 2 13 Total 25 10 18 32 21 53 Round your answers to three decimal places. a) If…

A: Total=53 , Total got A=25, Total got B=10, Total got C=18, Total male=32, Total female=21Note:…

Q: Manufacturer's specifications for a solenoid states that the failure rate is 0.0012 failures/hr. a)…

A: Note: Hi, there! As per the multiple subpart rule, we are answering first three subparts for you.…

Q: According to the FAA the mean weight of airline passengers and crew is u = 190 pounds with a…

A: Given that the mean weight of airline passengers and crew is µ = 190 pounds with a standard…

Q: College professors nationwide have a mean age of 48.2, distributed normally, with a standard…

A:

Q: cenario: The Body Mass Index (BMI) is measured for a random sample of men and women. Men 24 23.5…

A: Answers are   x-bar = 22.75…

Q: Assume the random variable x is normally distributed with mean u=81 and standard deviation a =5.…

A:

Q: In statistics, Jack’s mean grade is 80 with a Sx of 15. David’s mean grade is 80 with a Sx of 5.…

A: Given that: For Jack: x¯=80sx=15 For David: x¯=80sx=5

Q: The length of pregnancy are normally distributed with a mean of 268 days and a standard deviation of…

A: From the provided information, Mean (µ) = 268 days Standard deviation (σ) = 15 days Let X be a…

Q: e time (in minutes) between arrivals of customers to a post office is to be modelled by the…

A: exponential distributionμ = 0.63 minute = 37.8 secondsλ = 137.8 per secondformula to use : P(x>X)…

Q: Imagine that we are studying an area with bee hives and we have been told that the mean number of…

A: Mean number of bee hives per acre = 4.5X = No. of bee hives per acreX follows poisson…

Q: 64) If z is a standard normal variable, find the probability that z lies between -2.41 and 0. A)…

A: The objective is to find the probability that z lies between -2.41 and 0.

Q: Assuming neutral dispersal (probability of moving 1 unit = p) in a 1-dimensional landscape, what is…

A: Probability of moving one unit= p  And each of it is independent.

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.