The probability that luis will pass his statistics test is 0.39. find the probability that he will fail his statistics test

0.61

Step-by-step explanation:

probability event will happen = x

probability event will not happen = 1 - x

probability Luis passes his statistics test = 0.39

probability he fails his statistics test = 1 - 0.39 = 0.61

25/4

step-by-step explanation:

call segment cd's length x. because dc and ab are parallel, angle acd and cab, so triangles adc and abc are similar and we can set up the equation x / ac = ac / ab, or x / 5 = 5 / 4 and x = 25/4.

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