The normal cost for a gallon of fuel in the United States is $3.76 and in Russia it is $3.39. Accept these midpoints are the populace implies in the two nations and that the likelihood dispersions are typically appropriated with a standard deviation of $.25 in the United States and a standard deviation of $.20 in Russia.

What is the likelihood that an arbitrarily chosen corner store in Russia charged more than the mean cost in the United States (to 4 decimals)?

More than 500 million tweets are sent each day (Digital Marketing Ramblings site,

December 15, 2014). Expect that the quantity of tweets each hour follows a Poisson circulation and that Bob gets on normal 7 tweets during his lunch break.

a. What is the likelihood that Bob gets no tweets during his lunch break?

b. What is the likelihood that Bob gets in any event 4 tweets during his lunch break?

c. What is the generally anticipated number of tweets Bob gets during the initial 30 minutes of his

lunch hour?

On a given end of the week in the fall, a tire organization can purchase TV and publicizing time for a school football match-up, a baseball match-up, or an expert football match-up. In the event that the organization supports the school football match-up, there is a 70% possibility of a high rating, a 50% possibility on the off chance that they support a baseball match-up, and a 50% possibility on the off chance that they support an expert football match-up. The probabilities of the organization supporting these different games are 0.4, 0.1, and 0.5, individually. Assume the organization gets a high rating, discover the likelihood that it supported an expert football match-up.

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At a Noodle and Company Restaurant the likelihood that a client arranges a nonalcoholic drink is .50

A) Find the likelihood that in an example of 14 clients none of the 14 will arrange a nonalcoholic drink.

B) Find the likelihood that in an example of 14 clients at leaat 7 will arrange a nonalcoholic drink.

C) Find the likelihood that in an example of 14 clients less than 8 will arrange a nonalcoholic refreshment.

D) Find the likelihood that in an example of 14 clients every one of the 14 will arrange a nonalcoholic drink.