A road has 30 houses. The number of letters delivered to each house on one day is given in the frequency table.(4+1) (a)Calculate the mean number of letters delivered to each house. (b) Find out the mode with the help of given frequency

An office supply company conducted a survey before marketing a new paper shredder designed for home use. in the survey, 80 % of the people who tried the shredder were satisfied with it. because of this high satisfaction rate, the company decided to market the new shredder. assume that 80 % of all people are satisfied with this shredder. during a certain month, 100 customers bought this shredder. find the probability that of these 100 customers, the number who are satisfied is 69 or fewer.

Erik buys 2.5 pounds of cashews. if each pound of cashews costs $7.70, how much will he pay for the cashews?

Have yall ever just farted and was like, i farted.