Posts in category: Statistics

A committee has 11 members, 5 men and 6 women. Three different tasks are to be assigned to individual members of the committee. In how many ways can the assignments be made? In how many ways can the tasks be assigned so that both men and women are g

Matching the relative frequency from the frequency distribution for the 47 highest ranked countries for depth of hunger. From 1 - 5 Depth of Hunger Frequency Relative frequency 1) 230–259 21 2) 260–289 13 3) 290–319 5 4) 320–349 7 5) 350–379 1 a ) 0

The time spent waiting between events is often modeled using the exponential distribution. For example, suppose that an average of 30 customers per hour arrive at a store and the time between arrivals is exponentially distributed. Answer ⏱

Four hundred draws will be made at random with replacement from the box with the following tickets. 1 3 5 7 Estimate the chance that there will be fewer than 90 3's. Give your answer as a percent rounded to 2 decimals. Answer 🎲 Probabilit

The Higher Education Research Institute at UCLA collected data from 203,967 incoming first-time, full-time freshmen from 270 four-year colleges and universities in the U.S. 71.7% of those students replied that, yes, they believe that same-sex couple

In a survey collecting data about the salaries earned by recent college graduates, Li found that her salary was in the percentile. Should Li be pleased or upset by this result? Explain. (Enter your percents as whole numbers.) Li should be pleased be

You want to ask a sample of college students the question “How much do you trust information about health that you find on the Internet – a great deal, somewhat, not much, or not at all?”. You try out this and other questions on a pilot group of 7 s