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melamori03 [73]
3 years ago
15

MORNING LOVES! LETS TALK ABOUT 7TH GRADE MATH!

Mathematics
2 answers:
Ipatiy [6.2K]3 years ago
8 0

Answer:

ahh yes, let us talk about the mathematical experience you'll have to go through in your 7th grade year

Step-by-step explanation:

:)

sattari [20]3 years ago
4 0
Answer: No, anything but reminding me of the many horrors suffered during the middle school experience... please, why hast thou decided to torture me so?
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This is due today, and I have no idea what I'm doing, please help if you know anything.
defon

Binomial distribution formula: P(x) = (n  k) p^k * (1 - p)^n - k

a) Probability that four parts are defective = 0.01374

P(4 defective) = (25 4) (0.04)^4 * (0.96)^21

P(4 defective) = 0.01374

b) Probability that at least one part is defective = 0.6396

Find the probability that 0 parts are defective and subtract that probability from 1.

P(0 defective) = (25 0) (0.04)^0 * (0.96)^25

P(0 defective) = 0.3604

1 - 0.3604 = 0.6396

c) Probability that 25 parts are defective = approximately 0

P(25 defective) = (25 25) (0.04)^25 * (0.96)^0

P(25 defective) = approximately 0

d) Probability that at most 1 part is defective = 0.7358

Find the probability that 0 and 1 parts are defective and add them together.

P(0 defective) = 0.3604 (from above)

P(1 defective) = (25 1) (0.04)^1 * (0.96)^24

P(1 defective) = 0.3754

P(at most 1 defective) = 0.3604 + 0.3754 = 0.7358

e) Mean = 1 | Standard Deviation = 0.9798

mean = n * p

mean = 25 * 0.04 = 1

stdev = \sqrt{np(1-p)}

stdev = \sqrt{(25)(0.04)(1-0.04)} = 0.9798

Hope this helps!! :)

7 0
3 years ago
A box contains 17 balls numbered 1 through 17. Two balls are drawn in succession without replacement. If the second ball has the
Brilliant_brown [7]

Answer:

1 ; 7 /17

Step-by-step explanation:

17 balls numbered 1 through 17

Picking without replacement :

If the second ball picked = 4

P(first ball has a smaller number)

Numbers less Than = (3, 2, 1)

P(number less than second ball Given 4 is drawn for second ball) :

= (3/17 * 1/16) ÷ (3/17 * 1/16) +) 14/17 * 0)

= (3 / 272) / (3 /272) * 0

= 3 / 272 * 272 / 3

= 1

2.)

(8/17 * 7/8) ÷ (8/17 * 7/8) + (9/17 * 1/17)

7/17 ÷ (7 /17) + 10/17

7 /17 ÷ 17/17

7/17 ÷ 1

7 /17

7 0
3 years ago
If two of a triangles angles measure 42 degrees and 48 degrees, how would you classify that triangle
grin007 [14]
I think that would be a right angle triangle or is that not what it is meaning

5 0
3 years ago
Read 2 more answers
The mode of 1.5, 1.6, 2, 2, 3.4, 5.6, 5.9 is 3.14.<br><br> True<br><br> False
inessss [21]
The answer is FALSE, the mode in a sequence is the number that appears most often; the mode is 2.
6 0
3 years ago
What is the education of $15 a day to visit the fun factory ?
Burka [1]

Given that the price per day is $15, to make an expression, all you’d have to do is plug in how many days you spent at fun factory to figure out how much money was spent

Here is the expression: 15x

Here is an example: 15 x 3 (plug in 3 for x)

                                    15 x 3 = 45

                            Making 3 days a total of $45 dollars


Hope this helps you

Brainliest would be appreciated!

-AaronWiseIsBae

6 0
3 years ago
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