The average ticket price for a baseball game is Php 261.68, with a standard deviation of Php 5.50. In a random sample of 31 baseball game tickets, find the probability that the mean ticket price exceeds Php 265. (Round off your answer to the nearest 4 decimal places.)

Q: The test scores in a class are normally distributed with a mean score of 77. if the standard…

A: The distribution of test score are normally distributed with mean of 77. Now consider the standard…

Q: Suppose the mean amount of cholesterol in eggs labeled “large” is 186  milligrams, with standard…

A: Given that  μ = 186 , ? = 7 , n = 144

Q: The chloride concentration in the blood (mmol / liter) averages 104 with a standard deviation of 5.…

A: Given Data: Let X represent the random variable   X~ Normal (104, 52) n=200 Therefore, X¯ ~ Normal…

Q: The average height of a certain age group of people is 53 inches. The standard deviation is 4…

A: Let X be the random variable from normal distribution with mean or average (μ) = 53 and standard…

Q: The probability that a patient recovers from a delicate heart operation is 0.85. What is the…

A: Here, p=0.85 and n=7. The general formula for SD is, SD=np1-p

Q: 10. An education finance corporation claims that the average credit card debts carried by…

A:

Q: Data collected by the highway patrol indicates that the average speed on a stretch of interstate is…

A:

Q: mean number of customers arriving at a restaurant during a 15-minute period is 9. Find the standard…

A: Given that :   The mean number of customers arriving at a restaurant during a 15-minute period is 9.…

Q: Assume that blood pressure readings are normally distributed with a mean of 123 and a population…

A: Solution: Let X be the blood pressure reading. From the given information, X follows normal…

Q: Suppose the mean height in inches of all 9th grade students at one high school is estimated.

A: Population standard deviation, σ =3 inches Sample size n=6

Q: The intelligence quotient (IQ) score is normally distributed in a certain population of children.…

A:

Q: The average GPA at a college is 2.79 with a standard deviation of 0.6. Find the probability that 7…

A: Let X, be the random variable of average GPA at a college follows Normal distribution with a mean…

Q: If the probability of defective bolt is 0.1, find the mean and the standard deviation for the number…

A: Given the probability of a defective bolt is, 0.1 That is, p=0.1 The total number of bolts is, n=400…

Q: William revealed that he makes 1,000,000 dollars annually. The average annual income in the country…

A:

Q: The mean life of a battery is 55 hours with a standard deviation of 6 hours. The manufacturer…

A:

Q: The amount of pyridoxine in grams per multiple vitamin pill has a mean of 180 and a standard…

A: Given,mean(μ)=180standard deviation(σ)=24sample size(n)=64

Q: The probability that a patient recovers from a delicate heart operation is 0.85. What is the…

A: Number of patients (n) = 8 p(patient recovers) = 0.85 Let "X" be the number of recovered patients…

Q: The average score of all golfers for a particular course has a mean of 75 and a standard deviation…

A: Let is denote X=the score of a golfern=sample size=81X has mean=75 and standard deviation=4.5So, X¯…

Q: The mean number of miles driven per vehicle annually in the United States is 12,494 miles. Choose a…

A: Solution-: Let, X= The annual mileage o vehicle in the united states Given:

Q: There is an average of 4 accidents in a week on a major highway in the city. What is the standard…

A:

Q: Find the probability that a randomly selected year of rain in Sydney, Australia has a yearly…

A: Given Population mean μ=137, population standard deviations σ=69, Let X be the rain in Sydney Note:…

Q: The standard deviation of the lengths of stays on international cruises is 7.3 days. The sampling…

A: The standard deviation of the lengths of stays on international cruises is 7.3 days Total Sample =70…

Q: Skye High School has a total of 500 graduates.  The mean SAT score of Skye High School graduates is…

A: Given data,μ=947σ=205P(X≥1000)=?

Q: In a recent survey, 80% of the community favored building a police substation in their neighborhood.…

A:

Q: The average person uses 130 gallons of water daily. If the standard deviation is 35 gallons , find…

A: Given that, Mean = 130 Standard deviation = 35 Sample size = 25

Q: The average drive to work is 9.6 miles. Assume the standard deviation is 1.8 miles. If a random…

A: From the given information, x¯=9.6σ=1.8n=36

Q: Scores on the SAT test have a mean of 1518 and a standard deviation of 325. If 100 students are…

A: Scores on the SAT test have a mean of 1518 and a standard deviation of 325.

Q: If the gondola is filled with 25 randomly selected​ skiers, what is the probability that their mean…

A: Mean = 180 Standard deviation = 44 Sample size = 25

Q: The golf scores for a school team were normally distributed with a mean of 68 and a standard…

A: Normal distributionPopulation mean : Population standard deviation : The probability that a golfer…

Q: A small grocery store, on average, has daily sales of Php28, 176.44. The standard deviation of sales…

A: Solution: Let X be the daily sales. From the given information, µ = Php 28,176.44 and σ = Php 1500.

Q: The Michelin tires in average will last for 60000 miles. A technician claims that the deviation of…

A: Given data The Michelin tires in an average will last for 60000 miles. The standard deviation is…

Q: The average score of all golfers for a particular course has a mean of 74 and a standard deviation…

A:

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.