Consider a normal distribution that has N(55,7) (that is, a mean of 55 and a standard deviation of 7). To the nearest integer, the percentile rank of a value of 50 in this distribution is: A. 71 B. 76 C. 43 D. 24 E. 48

Afamily has five members. a mom, a dad, two sisters, & a brother. the family lines up single file. what is the probabillity that the mom is at the front of the line

Students are given 3 minutes to complete each multiple-choice question on a test and 8 minutes for each free-responsequestion. there are 15 questions on the test and the students have been given 55 minutes to complete itwhich value could replace x in the table? 5507-m23-m8(15-m)8(15)-m

Need showing work for this problem 56.25 ×25.80