The (incomplete) results are shown below (Please use 4 decimal places when apply):# of FrequencyCumulative Frequency0470.2043471500.2174972420 .18261393 0.1696452 230Complete the table and determine what percent of the people have exactly one sibling(s)? %Hint

The ages of personnel in the accounting department of a large company are normally distributed with a standard deviation of 7 years. there is a 0.02275 probability that the age of any randomly chosen person in the department is less than 22 and 0.15866 probabilty that the age of any randomly chosen person is greater than 43. what is the mean of this distribution?

What is the correct answer? urgent you

The daily production of a company is modeled by the function p = -w^2 + 75w - 1200. the daily production, p, is dependent on the number of workers (w) present. if the break-even point is when p=0, what are the least and greatest number of workers the company must have present each day in order to break even? 50 points! will give brainliest!