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2 years ago

9(k-2)=-6 what is K the oz

Mathematics

2 answers:

Natalija [7]2 years ago

6 0

Answer:

Step-by-step explanation:

9(k-2)=-6

9k+9(-2)=-6

9k-18=-6

9k=12

x=12/9

x=4/3

Fynjy0 [20]2 years ago

4 0

Answer:k=0.67

Step-by-step explanation:

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3 years ago

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1. The probability of telesales representative making a sale on a customer call is 0.15.

Mumz [18]

Answer:

$n = 33$

$n = 19$

Step-by-step explanation:

From the question we are told that

The probability of telesales representative making a sale on a customer call is $p = 0.15$

The mean is $\mu = 5$

Generally the distribution of sales call made by a telesales representative follows a binomial distribution

i.e

$X \~ \ \ \ B(n , p)$

and the probability distribution function for binomial distribution is

$P(X = x) = ^{n}C_x * p^x * (1- p)^{n-x}$

Here C stands for combination hence we are going to be making use of the combination function in our calculators

Generally the mean is mathematically represented as

$\mu = n* p$

=> $5= n * 0.15$

=> $n = 33$

Generally the least number of calls that need to be made by a representative for the probability of at least 1 sale to exceed 0.95 is mathematically represented as

$P( X \ge 1) = 1 - P( X < 1 ) > 0.95$