Let's say that 80% of all business startups in the IT industry report that they generate a profit in their first year. If a sample of 10 new IT business startups is selected, find the probability that exactly seven will generate a profit in their first year.

In economics, of all new products put on the market, 60% failed and are taken off the market within 2 years. Suppose a store introduces 80 new products. What is the probability that within 2 years 55 or more will fail?

Sixty percent of clowns aren’t funny.   If you randomly encounter three different clowns, what is the probability that none of them are funny?

If 381 individuals have the blood type A+ out of a sample of 1000 individuals. what is the probability that a random individual from Turkey will also have an A+ blood type?

Assume that when adults with smartphones are randomly​ selected, 37​% use them in meetings or classes. If 15 adult smartphone users are randomly​ selected, find the probability that exactly 9 of them use their smartphones in meetings or classes.

If a seed is planted, it has a 80% chance of growing into a healthy plant. If 6 seeds are planted, what is the probability that exactly 2 don't grow?

There is a 30% chance it will snow on any one of the next 5 days. What is the chance it will snow at least 2 of those days?

Every day, there is a 90% chance that Kevin will spill coffee on himself while driving to work.   Looking at the next eight days, what is the probability that Kevin will spill coffee on himself on just two of those days?   Looking at the next eight days, what is the probability that Kevin will spill coffee on himself on at least two of those days? Enter your answers as whole numbers or decimals.

A manufacturer makes two models of an item: model I, which accounts for  75% of unit sales, and model II, which accounts for 25% of unit sales. Because of defects, the manufacturer has to replace (or exchange)  5% of its model I and 10% of its model II. If a model is selected at random, find the probability that it will be defective. Please round the final answer to  2 or 3 decimal places. P(detective)=