0.90 and I think .9 is another I'm not sure but I tried
To find the margin of error, multiply the z-score by the standard deviation, then divide by the square root of the sample size.The z*-score for a 90% confidence level is 1.645.The margin of error is 0.20.The confidence interval is 48.3 to 48.7.48.8 is not within the confidence interval.
Answer:
x = 9. Based on the given conditions, formulate: x = 1 + 8 Cal...
Step-by-step explanation:
Answer:
x = 2
Step-by-step explanation: