Answer:
P- number?
Step-by-step explanation:
I don't know but it's probably wrong :(
Answer: -1.33 .
Step-by-step explanation:
Formula to find the Z-score :
Given: Mean = 191 and Standard deviation = 21
Then , the z-score corresponding to the expected value of 163 will be :
Hence, the z score corresponding to selling 163 inhalers is -1.33 .
The percentage is 85 percent
Answer:
D
Step-by-step explanation:
The equation of a circle in standard form is
(x - h)² + (y - k)² = r²
where (h, k) are the coordinates of the centre and r is the radius
Here (h, k) = ( - , ) and r = , thus
(x - (- ))² + (y - )² = ( )², that is
(x + )² + (y - )² = → D