The daily wages of 4000 are normally distribute , X~N ( 70, 25 ) . Estimate the number of workers whose daily wages (I) between $70 and $72 (2) less than $63

For the rule of 78, for a 12-month period, the last term in the sequence is 12 and the series sums to 78. for an 10 month period, the last term is and the series sum is . for a 15 month period, the last term is and the series sum is . for a 20 month period, the last term is and the series sum is

The sum of two numbers is 12 and their difference is 18 what are the two numbers

What are the solutions of the equation? 16x^2 + 24x + 5 = 5 a. 1/4, 5/4 b. -1/4, -5/4 c. -1/4, 5/4 d. 1/4 , -5/4