Answer: (B) Increase the significance level to decrease the probability of Type I error.
Step-by-step explanation:
Answer:

Step-by-step explanation:
Using SOHCAHTOA, you know that Cosine is represented with the side adjacent to the angle (7) on top of the fraction and the hypotenuse (25) on the bottom.
86 minutes would have passed.
Answer:
b ≈ 148.5
Step-by-step explanation:
Using the tangent ratio in the right triangle
tan68° =
= 
Multiply both sides by 60 to clear the fraction
60 × tan68° = b, thus
b ≈ 148.5 ( to 1 dec. place )