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[ 15 pts] The average freshman GPA is 3.0 with a standard deviation of 0.4. If...
1) [25 pts] The time it takes glyceraldehyde-3-phosphate dehydrogenase to convert aldehyde to carbolic acid follows...
1) [25 pts] The time it takes glyceraldehyde-3-phosphate dehydrogenase to convert aldehyde to carbolic acid follows a normal distribution with a mean of 19 milliseconds and standard deviation of 4.04 milliseconds. a) What is the probability that it will take glyceraldehyde-3-phosphate dehydrogenase between 15 milliseconds and 20 milliseconds to convert aldehyde to carbolic acid? b) What is the probability that it will take glyceraldehyde-3-phosphate dehydrogenase more than 20 milliseconds to convert aldehyde to carbolic acid? c) What is the probability...
1) [25 pts] The time it takes glyceraldehyde-3-phosphate dehydrogenase to convert aldehyde to carbolic acid follows...
1) [25 pts] The time it takes glyceraldehyde-3-phosphate dehydrogenase to convert aldehyde to carbolic acid follows a normal distribution with a mean of 19 milliseconds and standard deviation of 4.04 milliseconds. a) What is the probability that it will take glyceraldehyde-3-phosphate dehydrogenase between 15 milliseconds and 20 milliseconds to convert aldehyde to carbolic acid? b) What is the probability that it will take glyceraldehyde-3-phosphate dehydrogenase more than 20 milliseconds to convert aldehyde to carbolic acid? c) What is the probability...
A college claims that students in its football program boast an average GPA of 3.0. A...
A college claims that students in its football program boast an average GPA of 3.0. A sample one year of 110 players reveals an average GPA of 2.86 with a standard deviation of 0.52. We want to test this claim but are only concerned with whether the true GPA of football players is less than 3.0 (if it’s higher, that’s a good thing).
Among freshman at a certain university, scores on the Math SAT follow a normal curve, with...
Among freshman at a certain university, scores on the Math SAT follow a normal curve, with an average of 500 and a standard deviation of 100. (a) What percentage of students scored above 680? (b) What score would a student have to earn in order to be at the 75th per- centile of the distribution? The 25th percentile? (c) What is the interquartile range for this data set?
A college claims that students in its football program boast an average GPA of 3.0. A...
A college claims that students in its football program boast an average GPA of 3.0. A sample one year of 110 players reveals an average GPA of 2.86 with a standard deviation of 0.52. We want to test this claim, but are only concerned with whether the true GPA of football players is less than 3.0 (if it’s higher, that’s a good thing). (a) What are the null and alternative hypotheses? (b) Calculate the t-value to test the college’s claim....
3) The average population height for 15 year-old girls is 63.80 inches with a standard deviation...
3) The average population height for 15 year-old girls is 63.80 inches with a standard deviation of 2.66 inches. Denise, a 15-year-old girl, is in the 30th percentile for height, how tall is she? (Hint: You will need to convert your z-score to a raw score, see 5/7 lecture slides) 4) You rando the student population of this school is 127 with a standard deviation of 8. mly sample a class of 32 students with a mean IQ of 134...
Q3(Sums) The average score for games played in the NFL is 21.7 and the standard deviation...
Q3(Sums)
The average score for games played in the NFL is 21.7 and the standard deviation is 9.3 points. 46 games are randomly selected. Round all answers to 4 decimal places where possible and assume a normal distribution. a. What is the distribution of a? 5 ~ N( Σ Σ--Ν( b.What is the distribution of c. P( > 22.0432) = d. Find the 73th percentile for the mean score for this sample size. e. P(20.1432 < E < 23.5856) =...
The average price of a college math textbook is $175 and the standard deviation is $27....
The average price of a college math textbook is $175 and the standard deviation is $27. Suppose that 15 textbooks are randomly chosen. Round all answers to 4 decimal places where possible. a. What is the distribution of x? - NI b. For the group of 15, find the probability that the average price is between $171 and $177. c. Find the first quartile for the average textbook price for this sample size. S (round to the nearest cent) d....
average commute of 31 minutes. normal distribution with standard deviation of 12 minutes. Find the 70th...
average commute of 31 minutes. normal distribution with standard deviation of 12 minutes. Find the 70th percentile for the commute time.
Problem 4 The strength of an aluminum alloy is normally distributed with mean 10 GPa and standard deviation 14 GPa. What is the probability that a specimen of this alloy will have a strength greater...
Problem 4 The strength of an aluminum alloy is normally distributed with mean 10 GPa and standard deviation 14 GPa. What is the probability that a specimen of this alloy will have a strength greater than 12 GPa? What is the 95th percentile of the strength of this alloy? a) b)
Problem 4 The strength of an aluminum alloy is normally distributed with mean 10 GPa and standard deviation 14 GPa. What is the probability that a specimen of this...
1) [25 pts] The time it takes glyceraldehyde-3-phosphate dehydrogenase to convert aldehyde to carbolic acid follows a normal distribution with a mean of 19 milliseconds and standard deviation of 4.04 milliseconds. a) What is the probability that it will take glyceraldehyde-3-phosphate dehydrogenase between 15 milliseconds and 20 milliseconds to convert aldehyde to carbolic acid? b) What is the probability that it will take glyceraldehyde-3-phosphate dehydrogenase more than 20 milliseconds to convert aldehyde to carbolic acid? c) What is the probability...
1) [25 pts] The time it takes glyceraldehyde-3-phosphate dehydrogenase to convert aldehyde to carbolic acid follows a normal distribution with a mean of 19 milliseconds and standard deviation of 4.04 milliseconds. a) What is the probability that it will take glyceraldehyde-3-phosphate dehydrogenase between 15 milliseconds and 20 milliseconds to convert aldehyde to carbolic acid? b) What is the probability that it will take glyceraldehyde-3-phosphate dehydrogenase more than 20 milliseconds to convert aldehyde to carbolic acid? c) What is the probability...
3) The average population height for 15 year-old girls is 63.80 inches with a standard deviation of 2.66 inches. Denise, a 15-year-old girl, is in the 30th percentile for height, how tall is she? (Hint: You will need to convert your z-score to a raw score, see 5/7 lecture slides) 4) You rando the student population of this school is 127 with a standard deviation of 8. mly sample a class of 32 students with a mean IQ of 134...
Q3(Sums)
The average score for games played in the NFL is 21.7 and the standard deviation is 9.3 points. 46 games are randomly selected. Round all answers to 4 decimal places where possible and assume a normal distribution. a. What is the distribution of a? 5 ~ N( Σ Σ--Ν( b.What is the distribution of c. P( > 22.0432) = d. Find the 73th percentile for the mean score for this sample size. e. P(20.1432 < E < 23.5856) =...
The average price of a college math textbook is $175 and the standard deviation is $27. Suppose that 15 textbooks are randomly chosen. Round all answers to 4 decimal places where possible. a. What is the distribution of x? - NI b. For the group of 15, find the probability that the average price is between $171 and $177. c. Find the first quartile for the average textbook price for this sample size. S (round to the nearest cent) d....
Problem 4 The strength of an aluminum alloy is normally distributed with mean 10 GPa and standard deviation 14 GPa. What is the probability that a specimen of this alloy will have a strength greater than 12 GPa? What is the 95th percentile of the strength of this alloy? a) b)
Problem 4 The strength of an aluminum alloy is normally distributed with mean 10 GPa and standard deviation 14 GPa. What is the probability that a specimen of this...
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