What is 10.417 rounded to the nearest hundredth?

Mathematics

1 answer:

san4es73 [151]3 years ago

3 0

10.417 rounded to the nearest hundredth = 10.42

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The list of ordered pairs below represents a function

11111nata11111 [884]

Answer:

D. (-3,-4)

Step-by-step explanation:

<h3>Given</h3>

<u>Ordered pairs </u>

(12, 6), (3, 1), (2,-2), (5, 10), (-8, -4) (_,_)

The missing pair

<h3>Solution</h3>

Since it is a function, the missing pair can't repeat input values with different output, therefore only option D is unique so is the correct choice

8 0

3 years ago

A certain standardized test's math scores have a bell-shaped distribution with a mean of 530 and a standard deviation of 119. Co

kumpel [21]

Answer:

a) 68.2%

b) 31.8%

c) 2.3%

Step-by-step explanation:

We are given the following information in the question:

Mean, μ = 530

Standard Deviation, σ = 119

We are given that the distribution of math scores is a bell shaped distribution that is a normal distribution.

Formula:

$z_{score} = \displaystyle\frac{x-\mu}{\sigma}$

a) P(test scores is between 411 and 649)

$P(411 \leq x \leq 649)\\\\= P(\displaystyle\frac{411 - 530}{119} \leq z \leq \displaystyle\frac{649-530}{119})\\\\= P(-1 \leq z \leq 1)\\\\= P(z \leq 1) - P(z < -1)\\= 0.841 - 0.159 = 0.682 = 68.2\%$