Answer:
63
Step-by-step explanation:
score 75 is one standard dev below the mean ====>to the mean encompasses approx 34% of scores
.34 * 186 = 63
There was a 20% decrease
48/60 × 100 = 80%
100 - 80 = 20%
Answer: Undefined
Step-by-step explanation:
Replace x with -5
No there isn’t enough water, 975 divided by 70 is 13.92 indicating there would only be enough water for 13 experiments and not 15