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explain why mismatch repair is the more important for the accuracy of DNA Replication

Mr. Mohlamonyane needs to take out a loan to buy a new car. He wants an application that will allow him to enter the loan amount and the number of years he has to pay off the loan (called the term). The term can be 2 years, 3 years, 4 years, or 5 years only. The application should calculate and display his monthly car payment, using annual (per year) interest rates of 5%, 6%, 7%, 8%, 9% and 10% respectively.


Express the concentration of solution in % w/v containing 12 g sodium chloride and 50 ml of water.

5.0 L of 0.4 M H2SO4 contains how many moles?



Suppose that the racial/ethnic distribution in a large city is given by the table that follows.


Black Hispanic Other

20% 15% 65%


Suppose that a jury of twelve members is chosen from this city in such a way that each resident has an equal probability of being selected independently of every other resident.


Lets find probability that the jury contains:

a. three Black, two Hispanic, and seven other members.

b. four Black and eight other members.

c. at most one Black member.


Two chess players have the probability Player A would win is 0.40, Player B would win is 0.35, game would end in a draw is 0.25. If these two chess players played 12 games, what is the probability that Player A would win 7 games, Player B would win 2 games, the remaining 3 games would be drawn?


The probabilities of a machine manufacturing 0,1,2,3 and 5 defective parts in one day are 0.75,0.17,0.04,0.025,0.01 and 0.005 respectively.Find the mean of the probability distribution.

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.


Two chess players have the probability Player A would win is 0.40, Player B would win is 0.35,


game would end in a draw is 0.25. If these two chess players played 12 games, what is the probability that Player A would win 7 games, Player B would win 2 games, the remaining 3 games would be drawn?

In a restaurant an average of two out of every five customers asks for water with their meal. A family

of ten members arrives in the restaurant. What is the probability that:

a. Exactly seven members ask for water?

b. Less than nine members ask for water?


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