Which tree diagram shows all of the possible outcomes for tossing a coin and rolling a fair number pyramid that has four sides l
abelled 1 through 4?
1 answer:
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Answer: Minimum sample size = 110
Step-by-step explanation:
Formula to find minimum sample size :
, where z = critical z-value for confidence level, s= sample standard deviation , E = margin of error
Given: E= 4 , s= 18
Critical z-value for 98% confidence = 2.327
So,
Minimum sample size = 110