Statistics ITU Board 2080 (new course)
Define normal distribution. What are the main chracteristics of normal distribution? Extruded plastic rods are automatically cut into length 5 inches. Actul length are normally distributed about a…
10Define normal distribution. What are the main chracteristics of normal distribution? Extruded plastic rods are automatically cut into length 5 inches. Actul length are normally distributed about a mean of 5 inches and their standard deviation is 0.05 inches. (i) What propotion of rods exceed tolerance limits of 4.9 inches to 5.1 inches? (ii) Proportion of rods having tolerance rod which is greater than 6.5 inches.
A worked answer is on its wayMeanwhile, read the Statistics I notes for this topic.
Discussion
Loading…
More Statistics I questions
What do you mean by statistics? Describe briefly. The following are the marks of 30 students in Statistics. 60 54 22 36 49 84 79 56 28 43 80 50 60 56 57 46 39…TU Board 208210What do you understand by correlation analysis? Bradford Electric Illuminating is studying the relationship between kilowatt hours (thousands) used and the…TU Board 208210Two continuous random variables X and Y have following pdf: f(x, y) = kxy, 0<x<1, 0<y<1= 0, otherwise Determine (i) the value of k (ii) marginal pdf of X and…TU Board 208210Maximal static in respiratory pressure is an index of respiratory muscle strength. The following data show the measure of maximal static in respiratory for 11…TU Board 20825Calculate an appropriate measure of central tendency from the following table. Give the reason for your choice of measure of central tendency. Age in Years…TU Board 20825Define independent events in probability. A problem of statistics is given to three students A, B and C whose chances of solving the problem are in the ratio…TU Board 20825