Binomial probability to calculate
75% of the time a person walks into a store, they buy something. Use a binomial probability to calculate that of the next 50 people that walk into the store, What is the probability that less than 30 people buy something?
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Determine the difference between the standard error and standard deviation?
A game, which costs $5.00 to play, consists of pulling a single card from a standard deck, replacing it & picking again. If you get two black cards, you lose.
Maintenance on the test track simulator utilized to "exercise" vehicles 24/7 for engineering reliability analyses is anticipated to need $14,000. Determine equal annual amount which has same present worth?
Chicken Delight claims that 86 percent of its orders are delivered within 10 minutes of the time the order is placed. A sample of 80 orders revealed that 81 percent were delivered within the promised time. At the .10 significance level, can we con
After a losing season there is a great uproar to fire the head football coach. In a random sample of 330 college alumni, 132 favor keeping the coach. Test at the .05 level of significance whether the proportion of alumni who support the coach is l
Every successive year yields the return that is 7% less than previous year's return. If money is worth 5%, find equivalent present worth for investment?
Art history 100, See attachment for the description of the help that I need. The requirement has two parts. Part I is due on Friday, 20FEB 2015 and Part II is due on Sunday, 22FEB 2015. The textbook
A cashier service time at local branch of the Riverton bank has an exponential distribution with a mean of 2.5 minutes. What is the probability that the service time exceeds 3 minutes?
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