Heights of 10 year old children, regardless of sex, closely follow a normal distribution with mean 55.4 inches and standard deviation 5.6 inches. Round answers to 4 decimal places.  a) What is the probability that a randomly chosen 10 year old child is less than 51 inches? Incorrect b) What is the probability that a randomly chosen 10 year old child is more than 61.2 inches? Correct c) What proportion of 10 year old children are between 53 and 57.8 inches tall? Correct

Q: Heights of 10 year old children, regardless of sex, closely follow a normal distribution with mean…

A: Given information: The mean and standard deviation is; μ=55.6, and σ=6.1 respectively.

Q: A sample of 135 is drawn from a population with a proportion equal to 0.58. Complete parts a)…

A: A sample of 135 is drawn from a population with a proportion equal to 0.58.

Q: SAT exam scores are normally distributed with mean 500 and standard deviation 100.  Give the…

A: Let X= SAT exam score  Given that X follows normal distribution with mean=500 and standard deviation…

Q: 1. A set of 125 golf scores are normally distributed with a mean of 76 and a standard deviation of…

A:

Q: The patient recovery time from a particular surgical procedure is normally distributed with a mean…

A: Given that the mean of 5.9 days and the standard deviation of 1.8 days.

Q: Toby’s Trucking Company determined that the distance traveled per truck per year is normally…

A: Given that: Population mean, μ=50000 Population standard deviation, σ=12000

Q: A fair coin is tossed 60 times. Find the probability that the head appears between 20 and 40 times…

A: X~Bin(n=60, p=0.5) P(20<X<40)= ?

Q: If 70 shafts are sampled at random from the batch, what is the probability that the mean diameter of…

A: Let X be the random variable of the diameter of metal shafts produced in a manufacturing…

Q: A waitress believes the distribution of her tips has a model that is slightly skewed to the left​,…

A: Given Information: The distribution of tips has a model that is slightly skewed to the left​, with a…

Q: Suppose that the distance of fly balls hit to the outfield (in baseball) is normally distributed…

A: Let, X=the distance of fly balls hit to the outfield (in baseball) Given that X is normally…

Q: Heights of 10 year olds, regardless of gender, closely follow a normal distribution with mean 55…

A: Given information: The heights of 10-year-olds, regardless of gender, are normally distributed.…

Q: On a particular college campus, 29% of the students belong to a fraternity or sorority. If 44…

A: Let X be the number of students who belong to a fraternity or sororityn=44  is the number of…

Q: Recent report in Times showed a typical family of four spends $490 per month on food with a mean of…

A:

Q: The length of a caterpillar is normally distributed with a mean of 17 feet. The standard deviation…

A: Let, X=The length of a caterpillar Given that X follows a normal distribution with mean=17 and…

Q: height of 80.1 inches and standard deviation of 2.97 inches. Round your answers to four places after…

A:

Q: Suppose that the distance of fly balls hit to the outfield (in baseball) is normally distributed…

A:

Q: Suppose that the distance of fly balls hit to the outfield (in baseball) is normally distributed…

A: GivenMean =253Standard deviation =45 a)Let X be distribution of distance of fly balls hit to…

Q: Suppose that the distance of fly balls hit to the outfield (in baseball) is normally distributed…

A:

Q: CNNBC recently reported that the mean annual cost of auto insurance is 1050 dollars. Assume the…

A: As per our guidelines we are suppose to answer only three sub parts.Sample of…

Q: -) Find the probability that a score is from 185 to 210. >) Find the probability that a score is…

A: Let X denotes the bowling scores of a certain bowler. Given that X follows N(mean = 201, SD = 21),…

Q: The height of men is a normally distributed variable with a mean of 68 inches and a standard…

A: Mean(μ)=68standard deviation(σ)=3

Q: According to NelGo Inc., the mean yearly salary of Puerto Ricans living in Orlando is $35,600 with a…

A: Given information- Population mean, µ = $35,600 Population standard deviation, σ = $7,000 Let X be…

Q: Heights of 10-year-old, regardless of sex, closely follow a normal distribution with mean 55 inches…

A: Given data: Mean  = 55 inches Standard deviation  = 6 inches

Q: What is the probability that a randomly selected Visa card issued by this bank has a balance between…

A: Let X represents the  balances on all these Visa cards. Given that C follows N(mean = 840, SD = 260)…

Q: The patient recovery time from a particular surgical procedure is normally distributed with a mean…

A: Here, mean is 6.6 days and the standard deviation is 1.4 days. Let X denotes the recovery time from…

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.