Defects on plywood sheet occur at random with the average of one defect
per 50 sq. ft. Find the probability that such a sheet has (i) no defect, (ii) at
least one defect. Use 𝒆
−𝟏 = 0.3678.
Extraction fresh milk in which baking soda is added takes a longer time to set is called reason baking soda describe the pH value of fresh milk to Blue six