Find the 95 confidence interval for the true mean decrease

Assignment Help Basic Statistics

Reference no: EM13613675

The addition of a new accelerator is claimed to decrease the drying time of latex paint by more than 4%. Several test samples were conducted with the following percentage decrease in drying time. Assume that the percentage decrease in drying time is normally distributed.

5.4 6.6 3.7 6.0 3.1 2.0 2.7 4.2

(a) Find the 95% confidence interval for the true mean decrease in the drying time based on this sample. (Give your answers correct to two decimal places.)

Reference no: EM13613675

Questions Cloud

Assume that none of the fixed overhead can be reduced : sy telc has recently started the manufacture of recrobo a three-wheeled robot that can scan a home for fires and gas

Saturn issues 80 five-year bonds dated january 1 2011 with : saturn issues 8.0 five-year bonds dated january 1 2011 with a 600000 par value. the bonds pay interest on june 30 and

Policy analysis assignment hi hi i want you to review : hi ltbrgthi ltbrgt ltbrgti want you to review thecapstone 11 policy analysis and revise as its possible to make it a

In a study of 23 criminals convicted of antitrust offenses : in a study of 23 criminals convicted of antitrust offenses the average age was 55 years with a standard deviation of

Find the 95 confidence interval for the true mean decrease : the addition of a new accelerator is claimed to decrease the drying time of latex paint by more than 4. several test

The pulse rates for 13 adult women were as follows : the pulse rates for 13 adult women were as follows. construct a 0.95 confidence interval for the mean pulse rate. give

The following games are played with 8 cards the four kings : the following games are played with 8 cards the four kings and the four aces. the dealer fans the cards with their back

A srs of 21 orangutans is selected and 65 cc of blood is : a srs of 21 orangutans is selected and 65 cc of blood is drawn from each orangutan using a 100 cc syringe. this method

User Account

All Pages