Discuss the factors which might cause variation in the weigh

Reference no: EM13241221

A random sample of 10 miniature Tootsie Rolls was taken from a bag. Each piece was weighed on a very accurate scale. The results in grams were

3.087 3.131 3.241 3.241 3.270 3.353 3.400 3.411 3.437 3.477

(a) Construct a 90 percent confidence interval for the true mean weight. (b) What sample size would be necessary to estimate the true weight with an error of ± 0.03 grams with 90 percent confidence?

Reference no: EM13241221

Questions Cloud

Find out how many students weigh between : The mean weight of 500 students is 151 lbs and the standard deviation is 15 lbs. Assuming the weights are normally distributed, find out how many students weigh between 120 and 155 lbs.

Chi-square test for goodness-of-fit : The chi-square test for independence is a nonparametric test used with two nominal variables and what are the hypotheses when conducting the chi-square test for goodness-of-fit?

What do you understand by the decline theory : What do you Understand by the "Decline Theory" And how it influenced the abolition of Slaverry in the Americas

What work does the racket do on the ball : A tennis player receives a shot with the ball (0.0600 kg) traveling horizontally at 56.0 m/s and returns the shot with the ball traveling horizontally at 42.0 m/s, What work does the racket do on the ball

Discuss the factors which might cause variation in the weigh : Construct a 90 percent confidence interval for the true mean weight. (b) What sample size would be necessary to estimate the true weight with an error of ± 0.03 grams with 90 percent confidence?

Cardinal principles of the national entity of japan : What similarities exist between these documents, both in terms of the ideas they contain and the events they inspired? “Cardinal Principles of the National Entity of Japan,” 1937 (pp.1016-1017)

What is the present value of cash flow stream : What is the present (Year 0) value of cash flow stream if the opportunity cost rate is 10 percent?

Find the probability that the surgury is successful : Find the probability that the surgury is successful for fewer than six patients

Find the height from which the ball was thrown : A ball is tossed from an upper-story window of a building. The ball is given an initial velocity of 8..00 m/s at an angle of 20.0 below the horizontal, Find the height from which the ball was thrown

User Account

All Pages