Answer: 239
Step-by-step explanation:
Given : Confidence level : 99%
Significance level :
Margin of error : E = 3 minutes
Population standard deviation :
To find : Numbers of observations are required. (Minimum Sample size)
Formula :
Using z-value table,
Two-tailed z-value for :
Using given values , we get
Hence, the minimum number of observation is required = 239
The answer is C. 500 cm = 5 m, and 5,000 mm.
Answer:
A = (x^2 - 2x - 8) m^2
Second option
Step-by-step explanation:
Area of rhombus = 1/2 d1 * d2
= 1/2(2x+4)(x-4)
= 1/2 (2x^2 -8x + 4x - 16)
= 1/2 (2x^2 - 4x - 16)
= x^2 - 2x - 8
Answer:
Emma can buy 21 bookmarks
Step-by-step explanation:
Add 14.50 + 0.50 + 0.50 + 0.50 + 0.50 + 0.50 you get it. Until she hits 25.00 dollars.