A population has a mean of 84 and a standard deviation of 12. A sample of 36 observations will be taken. The probability that the sample mean will be between 80.54 and 88.9 is O a 8.3600 Ob 0.0347 Oc 09511 Od 0.7200

Q: 42% of elderly people have high blood pressure. If a sample of 200 is taken and a success is…

A:

Q: Bags checked for a certain airline flight have a mean weight of 15 kg with a standard deviation of 4…

A: The mean is 15 kg and the standard deviation is 4 kg.

Q: Assume that blood pressure readings are normally distributed with a mean of 125 and a standard…

A: Solution-: Let, X= The blood pressure reading  Given: μ=125,σ=4.9,n=34 ∴X→ N(μ=125,σ2=4.92)

Q: The amount of coffee in a can has a mean of 350g. The standard deviation is 5g. Use the normal…

A: From the graph we see that between 345 and 355 the probabilities are 0.34 and 0.34 To find the…

Q: A particular fruit's weights are normally distributed, with a mean of 218 grams and a standard…

A: Given: μ=218 and σ=40. Also,PZ>z=13%⇒PZ>z=0.13⇒1-PZ≤z=0.13⇒PZ≤z=0.87

Q: Assume that blood pressure readings are normally distributed with a mean of 115 and a standard…

A: # reading of blood pressure follow normal distribution with mean 115 and sd=4.8  sample of size n=32…

Q: Assume that blood pressure readings are normally distributed with a mean of 130 and a standard…

A:

Q: A normal population has a mean of 75 and a standard deviation of 5. You select a sample of 40.…

A: A normal population has a mean of 75 and a standard deviation of 5. You select a sample of 40.…

Q: The mean number of milligrams of sodium in a certain brand of dinner is 540mg with a standard…

A: Given Mean=540 Standard deviations=48 Sample size=64

Q: The probability that a football game will go into overtime is 11%. In 480 randomly selected football…

A: given datap=0.11n=480here p=pobability of go into over timex= no. of games wnt to overime

Q: C. Find the probability that a randomly selected district had fewer than 1994 votes for President…

A:

Q: A population has a mean of 53 and a standard deviation of 21. A sample of 81 observations will be…

A: Continuous Probability Distribution When normality is included in the research of a big sample…

Q: Assuming the mean length is 3.00 . Find the probability that the next measured part will have a…

A: It is given that the mean is 3.00 and standard deviation is 0.105.

Q: A standardized test has a pop. mean of 152 and a standard deviation of 16. Molly scores at the 91st…

A:

Q: Assume that a randomly selected subject is given a bone density test. Those test scores are normally…

A: The test scores are -1.64 and 1.64.

Q: The lengths of pregnancies are normally distributed with a mean of 266days and a standard deviation…

A:

Q: Systolic blood pressure readings are normally distributed with a mean of 121 and a standard…

A:

Q: The average number of pounds of red meat a person consumes each year is 196 with a standard…

A: Given Information: Mean μ=196 Standard deviation σ=22 Let X denote the number of red meat a person…

Q: b. Find the probability that the person is between 69.7 and 72.5 inches. c. The middle 50% of…

A: Given: Mean= mu =  68 Standard deviation= sigma =  2.4

Q: A normal population has a mean of 37 and a standard deviation of 8 A.What proportion of the…

A: Given Population mean μ=37, standard deviations σ=8

Q: lizards and standard deviation of 9 lizards. What would be the probability that a randomly selected…

A: Let X be the random variable the amount of lizards a person sees during a hike.Given that,

Q: A successful basketball player has a height of 6 feet 6 ​inches, or 198 cm. Based on statistics from…

A:

Q: Assume that the average weight of an NFL player is 245.7 lbs with a standard deviation of 34.5 lbs.…

A: Given information: μ=245.7σ=34.5sample size, n=32

Q: he average age of vehicles registered in the United 96 months. Assume the population is normally…

A: Given: μ=96, σ=15, n=36 Calculate the corresponding  z scores as:

Q: Assume that a basketball game final scores are normally distributed with a mean of 75 and a standard…

A: Mean = 75Standard deviation = 8

Q: Based on a poll, 31.5% of adults over the age of 25 have a bachelor's degree or higher. Assume that…

A: If discrete random variable x is having binomial distribution then, Mean and standard deviations are…

Q: The average time taken to repair a computer is 13.8 minutes. If the standard deviation is known σ =…

A: The average time taken to repair a computer is 13.8 minutes. The standard deviation is known σ = 2.2…

Q: The average American man consumes 9.6 grams of sodium each day. Suppose that the sodium consumption…

A: Given,Mean μ = 9.6Standard deviation σ = 0.8

Q: Given a mean, standard deviation, and a raw score, find the corresponding z-score. Assume the…

A:

Q: Given a sample with a mean of 151 and a standard deviation of 27, find the probability that a…

A: Given :  sample with mean of 151 and standard deviation of 27 we have to find P(X > 158 )

Q: Consider an exam with a mean of 76 and a standard deviation of 5 points. What is the probability…

A: Consider an exam with a mean of 76 and a standard deviation of 5 points.

Q: The average score of all golfers for a particular course has a mean of 61 and a standard deviation…

A:

Q: Assume that the average weight of an NFL player is 245.7 lbs with a standard deviation of 34.5 lbs.…

A: given data  normal distribution μ = 245.7σ = 34.7 n = 32 P(240<x¯<260) = ?

Q: the heights of 18-year old men are approximately normally distributed with a mean of U= 68 inches…

A: According to the given information, we have The heights of 18-year old men are approximately…

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.