A set of data has a normal distribution with a mean of 5.1 and a standard deviation of 0.9. Find the percent of data greater than 6.9.about 16 %

about 34%

about 13.5%

about 2.5%

Answers

Answer 1

Answer: P(x > 6.9) = 1 - P(x < 6.9) = 1 - P[z < (6.9 - 5.1)/0.9] = 1 - P(z < 2) = 1 - 0.97725 = 0.02275.

Therefore P(x > 6) is about 2.5%

Answer 2

Answer:

Answer:

2.5

Step-by-step explanation:

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Convert the body temperature of 36.4°C to °F?

Answers

The value of temperature will be 97.52° F.

What is an expression?

Mathematical expression is defined as the collection of the numbers variables and functions by using operations like addition, subtraction, multiplication, and division.

We have to given that;

The value of temperature = 36.4° C

Now,

We know that;

The relation between the degree and Fahrenheit is,

⇒ F = 9/5 C + 32

⇒ F = 9/5 × 36.4 + 32

⇒ F = 65.52 + 32

⇒ F = 97.52

Thus, The value of temperature = 36.4° F

Learn more about the mathematical expression visit:

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Answer:

97.52

Step-by-step explanation:

First, we need to know the formula to convert Celsius into Fahrenheit.

Given, $F= (9)/(5) C +32$ , let us plug in what we know, 36.4 C, into the equation!

$F=(9)/(5) * 36.4 +32\nF= 65.52 +32\nF= 97.52$

Therefore, a body temperature of 36.4 C would be 97.52 Fahrenheit!

I hope this helps! Please let me know if you have any further questions :)

Find the solution set. 9x^2+3x-2=0 separate the two values with with a comma.

Answers

Answer:

x = -2/3, 1/3

Step-by-step explanation:

Step 1: Factor

(3x + 2)(3x - 1) = 0

Step 2: Find roots

3x + 2 = 0

3x = -2

x = -2/3

3x - 1 = 0

3x = 1

x = 1/3

Answer:

Step-by-step explanation:

factor ; (3x-1)(3x+2)=0

then make both 3x-1 and 3x+2 equal to 0

(3x-1)=0 solve 3x+2=0

+ 1 +1 -2 -2

_______ _______

3x = 1 3x = -2

x =1/3 x= -2/3

check for to make sure both solutions work by plugging back into the equation

Transform the polynomial into a perfect square trinomial to solve x^2-4x=5
a){-5,13}
b){-7,11}
c){1,7}
d){-1,5}

Answers

x² - 4x = 5 ⇒ x² - 4x - 5 = 0

x² ⇒ x * x
-5 ⇒ -5 * 1
-4 ⇒ -5 + 1

(x + 1)(x - 5) = x(x-5) + 1(x-5)
x² - 5x + 1x - 5 = x² - 4x - 5

x + 1 = 0
x = -1

x - 5 = 0
x = 5

y = x² - 4x - 5
y = -1² - 4(-1) - 5
y = 1 + 4 - 5
y = 5 - 5
y = 0

y = x² - 4x - 5
y = 5² - 4(5) - 5
y = 25 - 20 - 5
y = 0

Find the value of x. 60o

79o

70o

47o

Answers

180-2(55)-x=0
180-110-x=0
70-x=0
-x=-70
x=70°

What is the domain of the function below?
{0,2 3,1 5,2 8,4

Answers

The choices are the below that can be found elsewhere:

a. { 1, 2, 4 }
b. { 0, 3, 5, 8 }
c. { 0, 1, 2, 3, 4, 5, 8 }
d. { ( 0, 2 ), ( 3, 1 ), ( 5, 2 ), ( 8, 4 ) }

The answer is B because the domain is just the X-values of the ordered pairs and you cant repeat them.

Solve for "z"
6=z/5.9