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Liula [17]
2 years ago
11

Ill give for 32, plz solve them. :)

Mathematics
1 answer:
Reika [66]2 years ago
4 0

Answer:

t>=7

Step-by-step explanation:

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A manufacturing process outputs parts having a normal distribution with a mean of 30 cm and standard deviation of 2 cm. From a p
Arisa [49]

Answer:

68% of the sample can be expected to fall between 28 and 32 cm

Step-by-step explanation:

The Empirical Rule states that, for a normally distributed random variable:

68% of the measures are within 1 standard deviation of the mean.

95% of the measures are within 2 standard deviation of the mean.

99.7% of the measures are within 3 standard deviations of the mean.

In this problem, we have that:

Mean = 30

Standard deviation = 2

What proportion of the sample can be expected to fall between 28 and 32 cm

28 = 30-2

28 is one standard deviation below the mean

32 = 30 + 2

32 is one standard deviation above the mean

By the Empirical Rule, 68% of the sample can be expected to fall between 28 and 32 cm

7 0
3 years ago
Raymond would like to go to rebounders trampoline center. The total cost , c, for every hour spent boucing, h, is representing b
aksik [14]

Answer:

$33

Step-by-step explanation:

C = 6(3) + 15

C = 18 + 15

C = 33

8 0
3 years ago
A number is such that it is as much greater than 112 as it is less than it . find the number​
lesya [120]
Answer. it is -111 because it is greater than 112 and in positive form it is smaller and in negative it is bigger .
6 0
3 years ago
An exercise class had 20 people. If each person produced 2,200 BTUs of body heat during the class and the room is 30 ft × 40 ft
nika2105 [10]
We are given the average body heat  equal to 2200 BTU. In this problem, we are asked to determine the total body heat  in BTU per cubic foot given the dimensions of the room. The volume of the room is 18000 ft3. we multiply the average heat by 20 persons.hence the answer to this problem is 2.44 BTU/ft3. 
8 0
3 years ago
Answer this for me pleasee i need help
Fiesta28 [93]

Answer:

x = 5 and x = -3

Step-by-step explanation:

hope it helps

7 0
3 years ago
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