Asample of n = 25 observations from a normal population is drawn. the population mean is 100 and the population (known) standard deviation is 20. find the probability that the sample mean is greater than 95.

Find a number such that if you add 8 and divide the result by 4 you will get the same answer as if you subtracted 3 from the original number and divided by 2

Evaluate 8j -k+148j−k+14 when j=0.25j=0.25 and k=1k=1.

Awoman has 14 different shirts: 10 white shirts and 4 red shirts. if she randomly chooses 2 shirts to take with her on vacation, then what is the probability that she will choose two white shirts? show your answer in fraction and percent, round to the nearest whole percent.