A researcher is interested in what percentage of teenagers obtain their licence within one month of turning 17. In a random survey of 70 teenagers, they found that 75% obtained their learners licence within 1 month of turning 17. If the researcher was to construct a 98% condence interval for this scenario, what would be the margin of error? Do not round your answer until the end, leave your answer as a decimal (NOT a percentage) and round your final answer to 2 decimal places