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Naddika [18.5K]
3 years ago
15

Reviews of call center representatives over the last three years showed that 10% of all call center reps were rated as outstandi

ng, 75% were rated as excellent/good, 10% percent were rated as satisfactory, and 5% were considered unsatisfactory. For a sample of 20 reps selected at random, the probability that two or less will be rated as outstanding is 0.9298.
A. True
B. False
Mathematics
1 answer:
spayn [35]3 years ago
8 0
I believe the answer is A goodluck
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Solve the equation x² + 6x + 1 = 0. give your answer to two decimal places
Alexandra [31]

Answer:

x ≈ - 5.83 , x ≈ - 0.17

Step-by-step explanation:

x² + 6x + 1 = 0 ( subtract 1 from both sides )

x² + 6x = - 1

Using the method of completing the square

add ( half the coefficient of the x- term)² to both sides

x² + 2(3)x + 9 = - 1 + 9

(x + 3)² = 8 ( take square root of both sides )

x + 3 = ± \sqrt{8} ( subtract 3 from both sides )

x = - 3 ± \sqrt{8}

Then

x = - 3 - \sqrt{8} ≈ - 5.83 ( to 2 dec. places )

x = - 3 + \sqrt{8} ≈ - 0.17 ( to 2 dec. places )

5 0
3 years ago
If s(x) = 2 – x2 and t(x) = 3x, which value is equivalent to (s o t)(-7)?
marishachu [46]

Answer:

The correct answer is A) -439

Step-by-step explanation:


8 0
3 years ago
What is equivalent to (3w-8) -4 (2w+3)
Marysya12 [62]

Answer:

-5w-20 or -5(w+4)

Step-by-step explanation:

(3w-8)-4(2w+3)

3w-8-8w-12

3w-8w-8-12

-5w-8-12

-5w-20

8 0
3 years ago
HELP! Decide whether each table could represent a proportional relationship. if the relationship could be proportional, what wou
Rashid [163]

Answer:

The first one

Step-by-step explanation:

The slae price is $5 less  for everything in the first one.

6 0
3 years ago
Read 2 more answers
Please help me with this question im too slow to answer
kakasveta [241]

Answer:

92

Step-by-step explanation:

w=7

x=4

y=8

z=1

8^2 + 2(4) + 3 (7) -1

64 + 2 * 4 + 3  * 7 -1

64 + 8 + 21 - 1

72 + 20

92

6 0
3 years ago
Read 2 more answers
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