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The number of phone calls, Y , received per day by Sarah has the following probability distribution: Y01234 5 P(Y = y)0.240.352ww0.050 a.Find the value

The number of phone calls, Y, received per day by Sarah has the following probability distribution:Y01234 5

P(Y = y)0.240.352ww0.050

a.Find the value of w. ( 1.5 marks)

b.Find the mode of Y. ( 1.5 marks)

Find the probability that the number of phone calls received by Sarah on any particular day is more than the mean number of phone calls received per day. (3 marks

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