A gardening center is planting trees for sale. Until the trees are fully grown, employees need to put rope
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Answer: 1067
Step-by-step explanation:
Given : Level of confidence = 0.90
Significance level :
By using the normal distribution table,
Critical value :
Margin of error :
The formula to find the population proportion if prior proportion of population is unknown :-
Hence, the company should survey minimum sample having size =1067