Answer:
5,4,6,-7
Step-by-step explanation:
The y's are range
Answer:
Decreased by 20%.
16 lbs is 80% of 20 lbs.
Step-by-step explanation:

y × 20 = 16 × 100
20y = 1600
20y ÷ 20 = 1600 ÷ 20
y = 80
100% - 80% = 20%
Answer:
0.494 is the probability that on a selected day the stock price is between $186.26 and $192.47.
Step-by-step explanation:
We are given the following information in the question:
Mean, μ = $188.876
Standard Deviation, σ = $4.6412
We are given that the distribution of stock price is a bell shaped distribution that is a normal distribution.
Formula:

P(stock price is between $186.26 and $192.47)

0.494 is the probability that on a selected day the stock price is between $186.26 and $192.47.
The midpoint between -4 and 8 is answer B) 2