Jovan made batches of 12 fruit bars with fruit bars in each batch. He kept 2 batches of fruit bars at home for his family and br
ought the rest to a school bake sale. Saleh also brought fruit bars for the bake sale. Combined, they had 200 fruit bars for the bake sale. Which expression represents the number of fruit bars Saleh brought to the bake sale? help please and Thank you
1 answer:
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Answer:
a. [6.6350,7.3950]
b. ME=0.5150
Step-by-step explanation:
a. Given that n=40, and that:
The required 90% confidence interval can be calculated as:
Hence, the 90% confidence interval for the population mean cash value of this crop is [6.6350,7.3950]
b. The margin of error at 90% confidence interval is calculated as:
Hence, the margin of error is 0.5150