The average score of all golfers for a particular course has a mean of 66 and a standard deviation of 4. Suppose 64 golfers played the course today. Find the probability that the average score of the 64 golfers exceeded 67. Round to four decimal places.

Q: Assume that women's heights are normally distrubuted with a mean of 63.6 inches and a standard…

A: From the given information, the mean is 63.6 and the standard deviation is 2.5.

Q: A group of data has a mean of 69 with a standard deviation of 5. What is the probability of finding…

A: Given the mean= 69 and standard deviation = 5 So, z score of 61 is:

Q: The average age of accountants is 53 years, with a standard deviation of 5 years. If an accounting…

A: We have to find probability..

Q: If an hourglass takes an average of 1 hour to empty a full cycle, what probability of time does it…

A: Given that mean= 1 hour= 60 minutes  standard deviation = 5 minutes Let, X= time to empty a full…

Q: a typical adult has an average IQ score of 105 with a standard deviation of 20. If 19 randomly…

A:

Q: Assume that the mathematics score on the SAT are normally distributed with a mean of 500 and a…

A: Given

Q: The university campus has a record of temperatures in recent years, which have a mean of 25.5…

A: To test whether the data follows normal distribution or not, let us consider Chi-square test for…

Q: Tiger Woods hits an average driver 287.2 yards with a standard deviation of 24.6 yards. What is the…

A: The probability value is calculate by means of standard normal variate with the random variable,…

Q: A history class has 95 members. If there is a 22% absentee rate per class meeting , find the mean…

A:

Q: The test scores are normally distributed with a mean of 78 and a standard deviation of 9. If 39…

A: Obtain the probability that the average score is between 80 and 84. The probability that the average…

Q: If the scores follow normal distribution with a mean of 120, a standard deviation of 10, find…

A: Solution

Q: A researcher showed the mean of weights of college football players to be 200 pounds with a standard…

A:

Q: A study found that the heights of college males follow a normal distribution with a mean of 70…

A:

Q: The average repair cost of a microwave oven is 55$, with a standard deviation of 8$. The costs are…

A: Here, mean is µ = 55, standard deviation is σ = 8, and n = 4.

Q: The weights of college football players are normally distributed with a mean of 200 pounds and a…

A: Z = x¯ - μσn~N(0,1)

Q: Find the standard deviation for the number of girls in groups of 14 births when p = 0.5

A: Binomial probability distribution is a type of discrete probability distribution.

Q: the length of a certain species of fish were found to be normally distributed. the mean length is 72…

A: Any assumption about the parameter or probability function is called a hypothesis. Given data are…

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: according to the government data the probability that a woman between the age of 25 and 29 was never…

A: Given, Probability that a women between the ages of 25 and 29 was never marries is 40%. i.e. p =…

Q: The heights of 18 year-old men are approximately normally distributed, with a mean 68 inches and a…

A:

Q: In a particular city, the weight of newly born babies is normally distributed with a mean of 3.5 kg.…

A:

Q: Suppose the probability a patient will recover from a disease following medication is 0.7. In a…

A: Given : the probability a patient will recover from a disease following medication is 0.7.  In a…

Q: The heights of 100 high school students are measured, with a mean of 175 cm and a standard deviation…

A:

Q: . In order for an engineering graduate to enroll in a master’s program, the graduate studies…

A: GivenMean(μ)=420standard deviation(σ)=100

Q: The average cholesterol content of a certain canned goods is 215mg and the standard deviation is…

A: The average cholesterol content of a certain canned goods is 215mg and the standard deviation is…

Q: The heights of students are normally distributed with a mean of 59 inches and a standard deviation…

A:

Q: The mean score on the SAT in 2017 was 1060, and the standard deviation was 195. Assume the scores…

A: Given,  Mean μ=1060  Standard deviation σ=195Let x be score of a randomly selected person

Q: Proctor & Gamble reported that an American family of four washes an average of 1 ton (2000…

A: Introduction:Here, the suggested population mean, μ = 2,000 pounds.The population standard…

Q: assume that blood pressure readings are normally distributed with a mean of 135 and a standard…

A:

Q: Suppose the mean weight of school children's book bags is 17.5 pounds, with standard deviation 2.2…

A: Given problem Given that   The mean weight of school children's book bags = μ = 17.5 pounds…

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

A:

Q: The grades of a statistics midterm are normally distributed with a mean of 79 and a standard…

A: Normal distributionμ=79σ=3.5pgrade between74 and 80=?

Q: A set of final examination grades in an introductory statistics course is normally​ distributed,…

A: We have to find given probability..

Q: The probability that a patient recovers from a delicate heart operation is 60%. There are 20…

A: Solution: Let X be the number of recovered patients and n be the sample number of patients under an…

Q: A recent study found that 69% of all adults over 50 wear sunglasses for driving. In a random sample…

A: Formula : Mean = np Standard Deviation  :

Q: The scores on a university examination are normally distributed with a mean of 70 and a standard…

A: The scores of a university are normally distributed with mean 70 and s standard deviation 10.Given…

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: Given a distribution with a mean of 117 and standard deviation of 42, find a value with a z-score of…

A: Consider that X is a random variable and the given distribution follows normal distribution mean 117…

Q: A set of final examination grades in an introductory statistics course is normally​ distributed,…

A: Let "X" be the grades of final examination. Use excel formula "=NORM.S.DIST(1.5714, TRUE)" to…

Q: The average age of a vehicle registered in the United States is 96 months. Assume the standard…

A: Let X be the random variable from normal distribution with average or mean (μ) = 96 months, standard…

Q: The average raintall, recorded to the nearest hundredth of a centimeter, in New York City, for the…

A: (1) Let X be the random variable from normal distribution with mean (μ) = 9.22 and standard…

Q: The local police force gives all applicants an entrance exam and accepts only those applicants who…

A: The score that corresponds to the top 15% is, The Z-score that corresponds to the area 0.85 is…

Q: The distribution of the number of viewers for the American Idol television show follows a normal…

A:

Q: according to police sources, a car with a certain protection system will be recovered 90% of the…

A: Given problem is a binomial distribution with:

Q: The average speed of cars on 495 is 74 mph with a standard deviation of 6. What is the probability…

A: GivenMean(μ)=74standard deviation(σ)=6

Q: The average score of all pro golfers for a particular course has a mean of 70 and a standard…

A: It is given that, The average score of all pro golfers for a particular course has a mean of 70 and…

Q: he probability that a football game will go into overtime is 12%. In 200 randomly selected football…

A: It is given than n=200 and p =0.12.

Q: If a normally distributed group of test scores have a mean of 70 and a standard deviation of 12,…

A: It is given that the mean is 70 and the standard deviation is 12.

Q: A mean of 200 and a standard deviation of 50. Find P60, the score which separates the lower 60% form…

A:

Q: The time it takes to fly from Paris to London is normally distributed. If the mean flight time is 80…

A: We are given with Normal Distribution.

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.