Six workers can contruct a kitchen in 17 hours. how long should it take 9 workers to contruct the kitchen

An assembly consists of two mechanical components. suppose that the probabilities that the first and second components meet specifications are 0.87 and 0.84. assume that the components are independent. determine the probability mass function of the number of components in the assembly that meet specifications. x

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base

{0,1,2,3,4,5,6,20,21,22,23,24,25} the distribution is considered to be: skewed the right, skewed the left, not skewed?