Web based software company is interested in estimating the proportion of individuals who use the firefox browser. in a sample of 200 of individuals, 30 users stated that they used firefox. using this data, construct a 99% confidence interval for the proportion of all individuals that use firefox. what is the lower limit on the 99% confidence interval? give your answer to three decimal places.

Which statements are true? check all that apply. the line x = 0 is perpendicular to the line y = –3. all lines that are parallel to the y-axis are vertical lines. all lines that are perpendicular to the x-axis have a slope of 0. the equation of the line parallel to the x-axis that passes through the point (2, –6) is x = 2. the equation of the line perpendicular to the y-axis that passes through the point (–5, 1) is y = 1.