On a typical Saturday night at a local bar in San Diego, about 62% of people order a drink that has tequila. We randomly select 250 people who go to this local bar. a) Find the mean and standard deviation. Round to two decimal places. b) Can the normal approximation to the binomial be used? Check the conditions!

Q: a successful basketball player has a height of 6 feet 9 inches, or 206 cm. Based on statistics from…

A: Given,           Z -score=4.45           A basket ball player has a height of  6 feet 9…

Q: In a college class, the average IQ is 115. Assume that the distribution is normal and that the…

A: In a college class, the average IQ is 115. Assume that the distribution is normal and that the…

Q: A statistics teacher believes that the final exam grades for her business statistics class have a…

A: Given Normal distribution with  Mean =82   SD =8 We have to answer for mentioned questions

Q: The mean and standard deviation of 200 items are found to be 60 and 20 respectively. If at the time…

A:

Q: You have calculated the standard deviation for a set of data to be -2.5. You can conclude that O you…

A: Standard deviation:- it is ameasure of vasiability in the data and hasrange greater than zero

Q: The table on the right gives the annual income for eight families, in thousands of dollars. Find the…

A: Solution-: We have the annual income of 8 families in thousand of dollars. Family A B C D E F G…

Q: etic test has a mean of 60 and a standard deviation of 20. The vocabulary test has a mean of 60 an a…

A: A z-score is known as the standard score that determines how much the data point deviates from the…

Q: Solve the problem. The probability that an individual is left-handed is 0.18. In a class of 90…

A:

Q: The mean and standard deviation of a set of 100 observations were Worked out as 40 and 5…

A: We have given that Number of observations(n)=100  Corrected mean=40 Standard deviation=5  Mistaken…

Q: Mr. Green examines the Unit 1 Biology test scores in his class. The test scores are normally…

A: Normal distribution is a continuous distribution which has many real life applications. Normal curve…

Q: According to a company’s website, the top 33% of the candidates who take the entrance test will be…

A: It is given that the mean is 74 and standard deviation is 6.

Q: An archer can either hit or miss his target. The probability of hitting a target is 60.0% . Suppose,…

A: Given data : Probability (p) = 0.60 Number of Attempts (n) = 19 Binomial to normal Approximation is…

Q: The mean and standard deviations of 200 items are found to be 60 and 20 respectively . But at the…

A: Given No. of items = 200 Wrong mean, x¯=60Wrong sd, s=20Correct value=18,17Incorrect value=3, 67

Q: Claim: The mean pulse rate (in beats per minute) of adult males is equal to 69 bpm. For a random…

A: Mean, X¯ = 70.1Standard deviation = 11.3Sample size, n = 135μ = 69

Q: The average high temperature in Anchorage, AK in June is 63°F with a standard deviation of 1.6°F.…

A:

Q: Listed below are the top 10 annual salaries (in millions of dollars) of TV personalities. Find the…

A: As per company guidelines, I solved exactly three subparts of the question. Given data: 42, 41, 39,…

Q: Assume that adults have IQ scores that are normally distributed with a mean of 100 and a standard…

A:

Q: Assume that adults have IQ scores that are nomally distributed with a mean of u= 100 and a standard…

A: It is given that the mean is 100 and standard deviation is 15.

Q: A golf pro claims that his mean golf score is 63. A sportswriter wants to test the claim that his…

A: A golf pro claims that his mean golf score is 63. A sportswriter wants to test the claim that his…

Q: A class has an equal number of boys and girls. The boys all got 78% on a test and the girls all got…

A: From the provided information, Boys got 78% on a test and girls got 84%. Let n = number of girls =…

Q: 7 The population of a country follows a normal distribution with mean height 180 cm and standard…

A: Given that  X~Normal(μ = 180 , ? = 5)  Find  P(X<175 or X>185)

Q: 2. The probability that a package is delivered on time is 0.97. If 500 randomly selected packages…

A: Givenprobability that package delivered on time (p)=0.97sample size(n)=500

Q: In the normal distribution, 68.3% of the values are within three standard deviations of the mean. In…

A: Empirical rules:1) 68% of the data values lies within one standard deviationsof the mean.i.e…

Q: In a study 10 people were given a test. The mean test score was 78.9 points. The standard deviation…

A: Given: Sample size n = 10 Sample mean X = 78.9 Sample standard deviation s = 5.2 Formula Used: X =…

Q: Pyramid Lake is on the Paiute Indian Reservation in Nevada. The lake is famous for cutthroat trout.…

A: Let X: the length of trout caught in Pyramid LakeGiven that,Mean length(μ) = 19 inches.Sample…

Q: The average age of a car registered in the Land Transportation Office (LTO) is 10 years or 120…

A: Solution: Let X be the age of a car registered in the Land Transportation Office. From the given…

Q: In an Algebra class, the scores on a test are normally distributed. The middle 68% of the scores…

A: Given : The middle 68% of the scores fall between 71 and 79 P(71<X<79)=68%

Q: Suppose a class average on a test is 75 and the standard deviation is 10. if joe scores 80 on the…

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.