Out of a sample of 150 people who walked into a fast food restaurant 135 said they prefer ketchup to mustard on their hamburgers. With 89% confidence, what is the confidence interval for the population mean of customers that prefer ketchup to mustard on their hamburgers? CI= (86. 09%, 93. 91%)
CI=(85. 20%, 94. 80%)
CI= (82. 61%, 95. 87%)
Cl = (83. 69%,96. 31)

What is the best approach to selecting safety equipment for an activity

How much blood does a healthy agult normally contain

Hello, i would like someone to respond to this slogan .slogans 1. compare the two ways of representing the results of an investigation: through graphs and through tables. which form is easier to elaborate and interpret? which would be most appropriate to make comparisons between results of multiple variables? justify and exemplify your answers. 2. why should so much importance be attached to the formal part of the presentation of the results of an investigation? are not substantive issues much more important?