The average American consumes 96 liters of alcohol per year. Does the average college student consume a different amount of alcohol per year? A researcher surveyed 15 randomly selected college students and found that they averaged 80.5 liters of alcohol consumed per year with a standard deviation of 21 liters. What can be concluded at the the α= 0.10 level of significance? a. The test statistic= (please show your answer to 3 decimal places.) b. The p-value =(Please show your answer to 4 decimal places.

Q: er has a height of 6 feet 8 inches, or 203 cm. Based on statistics from a data set, his e of 4.10.…

A:

Q: Researchers collected information on the body parts of a new species of frog. The thumb length for…

A: The mean is 6.74 and the standard deviation is 0.67.

Q: Researchers measured the data speeds for a particular smartphone carrier at 50 airports. The highest…

A:

Q: Why is a z score a standard score? Why can standard scores be used to compare scores from different…

A: Hi! Thank you for the question, As per the honor code, we are allowed to answer one question at a…

Q: Test scores for a history class had a mean of 89 with a standard deviation of 8.9. Suppose a student…

A: According to the given information, we have Mean = 89 Standard deviation = 8.9 Raw score = 67

Q: Researchers measured the data speeds for a particular smartphone carrier at 50 airports. The highest…

A: a. The Z-score of a random variable X is defined as follows: Z = (X – µ)/σ. Here, µ and σ are the…

Q: The amount of soda in a 16-ounce can is normally distributed with a mean of 16 ounces and a standard…

A: let, X= The amount of soda in a 16-ounce can Given that X follows a normal distribution with mean=…

Q: Assume that weights of men are normally distributed with a mean of 160 pounds and a standard…

A: Given, Weights of men follows normal distribution with mean 160 pounds and standard deviation 25…

Q: Researchers measured the data speeds for a particular smartphone carrier at 50 airports. The highest…

A:

Q: The mean score of a placement exam for entrance into a math class is 80 points, with a standard…

A: Given:-    μ = 80    6=10

Q: Researchers measured the length of time people spend brushing their teeth. For the 154 subjects in…

A: Given, Sample size = 154 Sample mean = 72.8 Sample standard deviation = 23.5   Set up the null and…

Q: Researchers measured the data speeds for a particular smartphone carrier at 50 airports. The highest…

A: Since you have posted a question with multiple sub-parts, we will solve first 3 sub-parts for you.…

Q: The amount of soda in a 16-ounce can is normally distributed with a mean of 16 ounces and a standard…

A: Here we have been given that, the mean of amount of soda is 16 ounces and standard deviation is…

Q: Researchers measured the data speeds for a particular smartphone carrier at 50 airports. The highest…

A: a. The Z-score of a random variable X is defined as follows: Z = (X – µ)/σ. Here, µ and σ are the…

Q: Researchers measured the data speeds for a particular smartphone carrier at 50 airports. The highest…

A: "Since you have posted a question with multiple subparts, we will solve first 3 sub-parts for you.…

Q: a. What is the difference between carrier's highest data speed and the mean of all 50 data speeds?…

A: Here Given  Highest Speed measured=76.6 Mbps Sample Size=50 Sample mean=x¯=18.68 Sample sd= s= 37.17…

Q: Use z scores to compare the given values.   In a recent awards​ ceremony, the age of the winner for…

A: Given : x¯actor = 45.5 sactor = 6.7 xactor = 34 x¯actress = 32.7 sactress = 10.2 xactress = 45 Z = x…

Q: Researchers measured the data speeds for a particular smartphone carrier at 50 airports. The highest…

A: Since you have posted a question with multiple sub parts, we will solve first three sub parts for…

Q: Researchers measured the data speeds for a particular smartphone carrier at 50 airports. The highest…

A: Given Information: Highest speed = 76.7 Mbps  Sample mean (x) = 17.21 Mbps

Q: se z scores to compare the given values.   In a recent awards​ ceremony, the age of the winner for…

A: Given: the age of the winner for best actor =29 the age of the winner for best actress=45 For best…

Q: A successful basketball player has a height of 6 feet 5 inch . Based on statistics from a data​ set,…

A: Given: z score = 2.58 The height of players in cm is 195.58 ≈196cm The formula to compute the…

Q: e. Compare the results of parts (a) through (d) to those when the standard deviation is 0.030. When…

A: We have given that  e) standard deviation sigma =0.030 , ZSTAT= -1.24 and p-value =0.216 99%…

Q: Researchers measured the data speeds for a particular smartphone carrier at 50 airports. The highest…

A: (a) Determine the difference between carrier’s highest data speed and the mean of all 50 data…

Q: Researchers measured the data speeds for a particular smartphone carrier at 50 airports. The highest…

A: Given: The Highest Speed = 74.9Mbps Mean X¯=18.07 Standard Deviation S=36.43

Q: ... Since the z score for the tallest man is z = and the z score for the shortest man is z = | , the…

A: The tallest living man at one time had a height of 238 cm. The shortest living man at that time had…

Q: Researchers measured the data speeds for a particular smartphone carrier at 50 airports. The highest…

A:

Q: Use z scores to compare the given values. The tallest living man at one time had a height of 245 cm.…

A: Determine the Z-score for the tallest man. The Z-score for the tallest man is obtained below as…

Q: Use z scores to compare the given values. The tallest living man at one time had a height of 263 cm.…

A:

Q: A test has a mean score of 55 with a standard deviation of 12. Using the Empirical Rule determine…

A:

Q: Researchers measured the data speeds for a particular smartphone carrier at 50 airports. The highest…

A: Hi! Thank you for the question. As per the honor code, we are allowed to answer three sub-parts at a…

Q: A survey of 16 entergy drinks noted the caffeine concentration of each drink in milligrams per…

A: Mean: For a set of n observations, x1, x2, ... , xn mean is given by, Standard deviation: For a set…

Q: The amount of soda in a 16-ounce can is normally distributed with a mean of 16 ounces and a standard…

A: The percentage of these cans will have less than 15.1 ounces is,

Q: 3. The amount of beer Finnish people drink per year is normally distributed with 1 = 78.7 liters and…

A: We have to find correct answer for given data..

Q: Researchers measured the data speeds for a particular smartphone carrier at 50 airports. The highest…

A: Given : x= 78.6 x̄ = 15.15 s = 21.46

Q: Students in the psychology department at General State University consumes an average of 7 sodas per…

A: We have to find correct answer..

Q: Blood glucose levels for obese patients have a mean of 100 with a population standard deviation of…

A:

Q: Use z scores to compare the given values

A:

Q: Gestation Periods of Humans. Gestation periods of humans have a mean of 266 days and a standard…

A: