use Appendix B.2 to locate the value of t under the following conditions. a. The sample size is 12 and the level of confidence is 95 percent. b. The sample size is 20 and the level of confidence is 90 percent. c. The sample size is 8 and the level of confidence is 99 percent.

i think is 3 and 6. this took me 10 min to think.hope to and hope that my answer is brainliest.(follow me )

b) 1/3 * 1/5

step-by-step explanation:

each smallest part is 1/15 since the written one is 1/5 and it's divided by 3 equal parts. (1/5 )/3 = 1/15 = 1/3 * 1/5

a

step-by-step explanation:

i have no idea just need points sorry

step-by-step explanation: