Answer:
≈ 7
Step-by-step explanation:
Answer:
d) The z-value is -0.31
Step-by-step explanation:
-Given that Natalia's saving is $470, mean claim amount is $490 and the standard deviation is $65
-Let Natalia's savings be X
#The z-value is calculated using the formula:

Hence, Natalia's z-value is -0.31
Answer:
2.0
Step-by-step explanation:
Tangent is calculated as the length of the opposite side of an angle divided by the adjacent side of that angle.
The opposite of theta is 4, while its adjacent side is 2
tan theta = 4/2 = 2
The absolute value of -5 is 5, and the absolute value of 5 is also 5. ∣ a + b i ∣ = a 2 + b 2 . |a+bi| = \sqrt{a^2 +b^2}.
Answer:
If you study for the test then you will get a good mark