Answer:
Z-score = -1.285
Step-by-step explanation:
We are given the following information in the question:
Mean, μ = 17.6 seconds
Standard Deviation, σ = 2.1 seconds
Formula:
For x = 14.9, we have:
A z-score to be unusual if its z-score is less than -2.00 or greater than 2.00.
Thus, the z-score is not unusual as it lies in the range [-2.00, 2.00]
Answer:
Answer Placeholder (I'm going to solve it and answer when I'm done)
Step-by-step explanation:
Answer:
5x2+6x-6=0
Step-by-step explanation:
Standard form is ax2+bx+c=0
We add 6x to both sides and we get:
5x2+6x-6=0
B.
The cost for x children and y adults to go to the movies if adult tickets are $11 and child tickets are $6.
Example 3 children and 2 adults ( 6(3) + 11(2) )