Answer:
Step-by-step explanation:
Given that X is a random variable representing the amount of sleep each adult in New York City got last night.
a) Normal distribution (by central limit theorem)
b) Sample mean will approach population mean mu
c) the standard deviation σx of the sampling distribution approach to σ/√n
d) The means are the same.
. The standard deviations are σ / √50 and σ / √100, respectively.
Answer:
7.2
Step-by-step explanation:
Apply Law of Cosines, given that b is 13.5, c is 8.9, and Angle a is 29.





Answer:
The value of sine of angle XYZ is equal to 0.96.
Step-by-step explanation:
Given that,
Base, b = 4 cm
Height, h = 13 cm
We need to find the sinY.
Using Pythagoras theorem,
YZ² = XY² + XZ²
YZ² = 4² + 13²
YZ = 13.60 cm
Using trigonometry,

So, the value of sine of angle XYZ is equal to 0.96.
Answer:
1.09
hope this helps
have a good day :)
Step-by-step explanation:
Answer:
576
Step-by-step explanation: