In a sample of 12 participants, a researcher estimates the 80% ci for a sample with a mean of m = 22.3 and an estimated standard error (sm) of 4.7. what is the confidence interval at this level of confidence? 80% ci 12.1, 32.5 80% ci 17.6, 27.0 80% ci 15.9, 28.7 there is not enough information to answer this question.

Asap 25 pts + brainliest to right/best answer

Kathleen's gross annual salary is $56,820. what is the maximum amount of rent she can afford to pay? round your answer to the nearest dollar. question 1 options: $1146 $1326 $1656 $2368

Statements reasons 1. ab ? cd; ad ? bc 1. given 2. ac ? ac 2. reflexive property 3. ? adc ? ? cba 3. ? 4. ? dac ? ? bca; ? acd ? ? cab 4. cpctc 5. ? dac and ? bca are alt. int. ? s; ? acd and ? cab are alt. int. ? s 5. definition of alternate interior angles 6. ab ? cd; ad ? bc 6. converse of the alternate interior angles theorem 7. abcd is a parallelogram 7. definition of parallelogram what is the missing reason in step 3?