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Studentka2010 [4]
3 years ago
11

Thinking about the areas of a Standard Normal Distribution, if a z value is negative, is the area to the left of z less than 0.5

000, greater than 0.5000 or equal to 0.5000?

Mathematics
1 answer:
Dmitrij [34]3 years ago
5 0
A typical plot of the standard normal distribution is shown in the figure below.
The curve is symmetric about z = 0, and the total area under the curve is 1.

It follows that if the value of z is negative, the area to the left of z will be less than 0.5.

Answer:  The area to the left of z is less than 0.5000

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3x + 2 = 14<br> Which number makes the equation true?<br><br> 1<br> 2<br> 2<br> 4<br> 6
mrs_skeptik [129]

Answer:

x=4

Step-by-step explanation:

3x+2=14\\\\3x+2-2=14-2\\\\3x=12\\\\\displaystyle \frac{3x}{3}=\frac{12}{3}\\ \\ x=4

7 0
2 years ago
You play a game on your phone. For every correct move you make, you receive 50 points. For every second that it takes you to com
swat32
50*25= 1250
2mins 15seconds= 135 seconds
135*3= 405

1250-405 = 845

Your score is 845
8 0
3 years ago
Casey travels from her house directly west to the bank and then directly north from the bank to the mall. She then travels home
castortr0y [4]

Answer:

D) 40 miles

Step-by-step explanation:

First we must find the distance between the mall and the house.  The figure formed is a right triangle.  The length of the side from the mall to the house forms the hypotenuse of the triangle.  We can use the Pythagorean theorem to find the length:

a² + b² = c²

The two legs of the triangle, a and b, are 15 and 8:

15² + 8² = c²

225 + 64 = c²

289 = c²

Take the square root of each side:

√289 = √(c²)

17 = c

This makes the total distance

15+8+17= 40 miles

4 0
3 years ago
Read 2 more answers
Last week, the price of apples at a grocery store was $1.60 per pound. This week, apples at the same grocery store are on sale a
DanielleElmas [232]

Answer:

6.48 dollars total,

Step-by-step explanation:

First, you would want to multiply the amount of money per pound, by the amount of pounds. 1.60 multiplied by 4 1/2 or 4.5, would equal to 7.2 dollars. In order to find 10% of 7.2, your would need to multiply 7.2 by 0.10, which would give you 0.72. Then you would subtract 7.2 by 0.72 to get 6.48. So your answer would be 6.48 dollars. Hoped this helped.

8 0
3 years ago
What is the value of the following expression 1.8 + 0.5(y + 6) - 2 t the power of 3 when y = 14?
aalyn [17]

Answer: The answer should be 38.

I also saw that you placed a t after the -2 so I wasn't sure if it was a mistake or if it was on purpose or you left another t out of the problem on accident.

Step-by-step explanation:

2.3   (14+6)   -2 to the power of three

2.3    (20)     -2 to the power of three

2.3     (20)     -8

    46-8

      38

I really hoped this helped and if I got it wrong with the t just reply to me c:

4 0
3 years ago
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