You would use 0.7................................
Answer:
4080cm²
Step-by-step explanation:
We Answer:
84.134% of the scores
Step-by-step explanation:
-This questions needs as to determine the probability of scores less than 282 then find the expectation;
-Let X be the score of a random selection:


The probability of scores below 282 is 0.84134 or 84.134%
Hence, 84.134% of the scores were below 282
Answer:
B or C,i think. I'm not sure though
Answer:
The answer is A. AB and AC are congruent