Answer: 246
Step-by-step explanation:
As per given description , we have
Population standard deviation:
Critical value for 95% confidence =
margin of error : E= 2
Formula to find the required sample size : -
Hence, the required minimum sample =246
Answer:
good
Step-by-step explanation:
can u give me brainliest please since it's so easy and <em>I</em> don't have but 1
Sorry if the handwriting bothered you.
Answer:
<h2>0</h2>
Step-by-step explanation:
all the outcomes you can get from rolling a dice twice are
2,3,4,5,6,7,8,9,10,11,12
15 is nowhere in those numbers so the probability of getting a sum of 15 is 0
Answer:
d ≈ 135.1 m
Step-by-step explanation:
The circumference formula is:
In order to solve this, just substitute 43 cm into C, to get:
Divide 43 by 2 times pi to find the radius:
Then in order to find the diameter, double the number of the radius:
×
d ≈ 135.1 m