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3 years ago

Ok so I am new here but I need help on this question

Mathematics

1 answer:

notsponge [240]3 years ago

7 0

Answer:

Im in high school to i did this freshman year but the third column the 90s would be noticeable outliers. If you go into google sheets you could easily find this out by putting the data in.

Step-by-step explanation:

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Assume that the random variable X is normally distributed, with mean mu equals 100 and standard deviation sigma equals 20. Comp

TEA [102]

Answer: 0.2119

Step-by-step explanation:

We assume that the random variable X is normally distributed.

Given : Population mean : $\mu=100$

Standard deviation : $\sigma=20$

Z-score : $z=\dfrac{x-\mu}{\sigma}$

Then, z-score corresponds to 116

$z=\dfrac{116-100}{20}=0.8$

By using the standard normal distribution table for z , we have

$P(x>116)=P(z>0.8)=1-P(z\leq0.8)$

$=1-0.7881446\approx0.2119$

Hence, the required probability = 0.2119

4 0

4 years ago

Help picture attached !!

ZanzabumX [31]

7 2/3 divided by 1 1/3 =

= (7 2/3) / (1 1/3)

= (23/3) / (4/3)

= 23/3 * 3/4

= 69/12

= 23/4

= 5 3/4

= 5 9/12

8 0

3 years ago

Ian and his friends are renting a cabin that charges an initial fee plus a rate per night. The relationship between the cost and

Brut [27]

Answer:

Cost per night: 75

Equation: $y = 75x + 50$

Step-by-step explanation:

An equation to represent the situation can be written in the slope-intercept form, $y = mx + b$ , where,

m = slope of the graph, which is the rate per night.

b = y-intercept, which is the initial fee. It is the point where the line intercepts the y-axis.

Let's find m, using two points on the line, (2, 200) and (4, 350)

$slope (m) = \frac{y_2 - y_1}{x_2 - x_1} = \frac{350 - 200}{4 - 2} = \frac{150}{2} = 75$

✅The cost per night = 75

y-intercept, b, = 50. The line intercepts the y-axis at y = 50, when x = 0.

Substitute m = 75, and b = 50 into $y = mx + b$ .

✅The equation would be:

$y = 75x + 50$

6 0

3 years ago

600,000 equals how many ten thousands

Yakvenalex [24]

Divide 600,000 by 10,000.

Equals 60!

Answer is 60.

5 0

4 years ago

You sell $89.50 worth of drinks at a concession stand by selling x small, 29 medium, and 12 large drinks. Write an equation you

KIM [24]

89.50=(1.5*29)+(1.75*12)+x

5 0

3 years ago

Read 2 more answers