Answer: 554
Step-by-step explanation:
If prior population proportion is known, then the formula to find the sample size is given by :-

As per given description, we have
p= 0.1
E=0.025
Critical z-value for 95% confidence : 
Then,

Hence, the minimum sample size required = 554.
The first part is 1325
10 x 35=350
15 x 65=975
The you add them which equals 1325
Answer:
It is 12. 12 fossils were found in Wyoming.
Step-by-step explanation:
Answer: 3/4 : 8/4
Step-by-step explanation:
flour = 2 = 2/1 = 4/2 = 8/4
make the denominators the same and you are good
In 1 second it beats about 53 times
In 5 seconds it will beat about (53/1*5) times
= 265 times