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mars1129 [50]
1 year ago
5

For a standard normal distribution, find:P(z < 0.18)Express the probability as a decimal rounded to 4 decimal places.Normal T

able
Mathematics
1 answer:
marusya05 [52]1 year ago
6 0

In a standard normal distribution, the mean is 0 and the standard deviation is 1.

Then, according to the normal table, the probability of gettin z < 0.18 is given by the area on the left of z = 0.18 in the graph related to the distribution. Then we have: P (z < 0.18) = 0.5714

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Solve using the quadratic formula. Approximate answers to the nearest tenth.<br> Help
Pepsi [2]

Answer:

x = 2.4 or x = 0.3

Step-by-step explanation:

3x² - 8x + 2 = 0

Quadratic formula

x = {-b ±√b² - 4ac} / 2a

a = 3

b = -8

c = 2

x = {-b ±√b² - 4ac} / 2a

= {-(-8) ±√(-8)² - 4*3*2} / 2*3

= (8 ± √64 - 24) / 6

= (8 ± √40) / 6

= (8 ± 2√10) / 6

= 8/6 ± 2√10/6

= 4/3 ± √10 / 6

x = 4/3 + √10 / 6 or 4/3 - √10 / 6

x = 2.4 or x = 0.3

6 0
3 years ago
James has a dog grooming service. He charges a flat rate of $50 per month, plus $10 per grooming. Bradly does not charge a month
solmaris [256]

Answer:

The numbers of grooming visits for which James and Bradly would charge the same amount is 2

Step-by-step explanation:

Let

w -----> the numbers of grooming visits

y ----> the charge in dollars

we know that

<em>James</em>

y=10w+50 ----> equation A

<em>Bradly</em>

y=35w ----> equation B

equate equation A and equation B

35w=10w+50

Solve for w

35w-10w=50

25w=50

w=2

therefore

The numbers of grooming visits for which James and Bradly would charge the same amount is 2

8 0
3 years ago
The sum of three numbers is 123
Elan Coil [88]

Answer:

0

Step-by-step explanation:

6 0
2 years ago
Given M = the set of counting numbers and N = the set of even numbers, find M - N.
dedylja [7]

Answer:

M-N = set of odd numbers

M-N  = 1,3,5,7,9,11,.....................................so on it till infinity

Step-by-step explanation:

M = the set of counting numbers

set of counting number are are all the numbers which is used for counting.

They are also called Natural numbers

In numerical form set of counting numbers can be represented as

M = the set of counting numbers = 1,2,3,4,5,6,7,8,9..............................till infinity

N = the set of even numbers

set of even numbers all the counting numbers which are multiple of two

In numerical form set of counting numbers can be represented as

N = the set of even numbers = 2,4,6,8,10,12................so on till infinity

__________________________________

now we have to find M-N

it means from set of counting number, all the even numbers would be excluded

IN such case

If we exclude all the even numbers, then only odd numbers will remain.

M-N will be = 1,3,5,7,9,11,.....................................so on it till infinity

If we look it closely , the given set is set of odd numbers

odd numbers are counting numbers in form of 2n+1 where n = 0,1,2,3....

Thus,

M-N can also be said as set of odd numbers

M-N = set of odd numbers

M-N  = 1,3,5,7,9,11,.....................................so on it till infinity

3 0
3 years ago
Convert the angle 257/360 radians to degree
devlian [24]

Answer:

40.90282037 degrees

hope this helps

8 0
3 years ago
Read 2 more answers
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