Given the cost and time commitment, your friend is only interested in getting an MBA if that would help in getting a promotion and/or a higher pay. You are helping your friend to make this decision and have gathered data on several firms with information on how many of the employees in the top 50 of the highest paid have an MBA. Based on the data:top50MBA.xlsx ( link to excel sheet attached here and in comments: https://docs.google.com/spreadsheets/d/1EMyPrUK6aE7J9OTNViBzuy9eG2gnsueN/edit?usp=sharing&ouid=100358295815306966900&rtpof=true&sd=true)

1. What is the margin of error for the overall proportion of top 50 employees with an MBA?

NOTE: Enter a numerical value with 4 decimal places. For example 0.7682

2. What is thelower boundfor the 95%confidence interval of overall proportion of top 50 employees with an MBA?

NOTE: Enter a numerical value with 4 decimal places. For example 0.7682

3. The overallproportionof firms which have more than 60% employees with an MBA in their top 50 list is ________%.

NOTE: Enter a numerical value with one decimalplace.For example for: 0.112 or 11.2%ENTER 11.2- Don't include the percent sign (%).