5) Among a sample of 75 students selected at random from one college, the mean number of siblings is 1.4 with a standard deviation of 1.2. Find a 95% confidence interval for the mean number of siblings for all students at this college.

Aparking lot is to be 400 feet wide and 370 feet deep. how many standard-sized cars fit in this lot considering a double-loaded (w4) two way traffic set up, an angle of 90° and a sw of 9’ 0’’? (do not consider handicapped parking spaces, and consider 15’ for turning aisles). show your work.

"you know, playing tennis is healthier than watching a tennis match on television," katya remarked to her couch potato brother. in this sentence, healthier is a/an a. superlative. b. comparative. c. positive form. d. adverb.

Find two consexutive odd integers such that the sum of their square is 650