When a biased coin is thrown 3 times, the probability of getting 3 tails is 27/125 Work out the probability of getting 3 heads when the coin is thrown 3 times.
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The mean of a set of data is -3.82 and its standard deviation is 2.31. find the z score for a value of 3.99.

James wants to promote his band on the internet. site a offers website hosting for $4.95 per month with a $49.95 startup fee. site b offers website hosting for $9.95 per month with no startup fee. for how many months would james need to keep the website for site a to be a better choice than site b? 1. define a variable for the situation. 2. write an inequality that represents the situation. 3.solve the inequality to find out how many months he needs to keep the website for site a to be less expensive than site b. 4. using words, describe how many months he needs to keep the website for site a to be less expensive than site b.

Need asap. solve for the following inequality