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Irina-Kira [14]
3 years ago
8

A survey found that 35% of callers complain about the service they receive from a call center. Assume that the events of differe

nt calls resulting in a complaint are independent. What is the probability that two out of the next five calls produce a complaint?
Mathematics
1 answer:
sasho [114]3 years ago
6 0

Answer:

0.336 or 33.6%

Step-by-step explanation:

It follows from the question that the probability of a complaint is 35% = 35/100 = 0.35. Let's call this probability, p.

The probability of no complaint is mutually exclusive of p since both are complements. Let's call this q. Then

q = 1 - p = 1 - 0.35 = 0.65

The distribution is a binomial distribution.

Events of each call are independent.

The probability of 2 calls with complaint out of 5 is

\binom{5}{2}p^2 \timesq^3=10\times0.35^2\times0.65^3 = 0.336 = 33.6\%

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Patrick built a robot that is 0.8 meters tall. Adelaide built a robot that is 2 feet and 9 inches tall. Who has the taller robot
Ugo [173]

Answer:

Adelaide's robot is 83.82 centemetres = 0.84 meters

Step-by-step explanation:

2 feet = 60.96cm + 9 inches = 22.86cm therefore Adelaide's robot is taller

3 0
3 years ago
HELP PLEASE THANK YOU! :) 50 POINTS !!!!!!!1
a_sh-v [17]

Answer:  0.88

Step-by-step explanation:  

Let C is the event of drinking coffee, T is the event of drinking tea and M is the event of drinking milk.

Thus, when we make the Venn diagram of the given situation according to the given information,

Total number of people = 50

Number of people who like coffee, tea and milk = 19

Number of people who like coffee, tea but not milk = 16

Number of people who like coffee, milk but not tea = 2

Number of people who like tea, milk but not coffee = 5

Thus, the number of people who like tea only = Total people - (people who like coffee, tea but not milk + people who like coffee, tea and milk + the one who only like tea and milk but not coffee)

= 50 - ( 16 + 19 + 5) = 50 - 46 = 4

Thus, Total number of the person who like milk = 16 + 19 + 5 + 4 = 44

⇒ Probability that this person likes tea = \frac{\text{ Total person who like to drink milk}}{\text{ Total number of people}} = \frac{44}{50} = 0.88





3 0
3 years ago
Please help me with 13 and 15 asap
Law Incorporation [45]
Gosh, I've done this problem before. Let's start with 13. In this problem, we're basically just skip counting. For example, in the roses row, in the second bouquet, we know we have to add 4 more flowers, so we can document 8. Continue to skip count for both. For 15, we would have about 96 more movie posters remaining, making our ratio 96:x. So, 96:x = 120:100. Therefore, x would equal 80- as 96:80 equals 120:100. If she needs 80 and already had 100, she should sell 20 posters. Hope this helped.
3 0
3 years ago
Can someone please answer it correctly if it’s correct I will mark you brainliest
dem82 [27]

Answer:

-\frac{5}{2}, -2, 1.7

Step-by-step explanation:

1. Make fraction to decimal

-\frac{5}{2} = -2.5

2. Order from least to greatest.

1.7 > -2 > -2.5

Least to greatest : -\frac{5}{2}, -2, 1.7

4 0
3 years ago
What is the sign of the product (−4)(2)(−3)(6)?
solong [7]

Answer: negative ; -144 sowwy if im wrong

Step-by-step explanation:

-4, 2, -3 , 6

-4 times -3 = -12

6 times 2 = 12

-12 times 12 = -144

5 0
3 years ago
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