Answer:
100/b+24
Step-by-step explanation:
Answer:
C.) A dilation. It got bigger so its a dilation
Answer: 1.24
Step-by-step explanation:
Let p be the population proportion of the total market share for one of its products.
As per given , we have
p=0.30
Sample size : n= 144
Sample proportion : 
Formula for z-value :-

i.e. 
Simplify ,
. 
Hence, the observed z value would be <u>1.24</u> .