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3 years ago

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3. For the graph, complete the following: (a) Write a table of ordered pairs from the graph. (b) Write an equation from the tabl

e. (c) State which variable is the independent variable and which variable is the dependent variable. Answer:

1 answer:

alexandr1967 [171]3 years ago

6 0

for this i am working on this um please wait

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Assume that when adults with smartphones are randomly selected, 46% use them in meetings or classes. If 9 adult smartphone use

valina [46]

Answer:

0.18173219.

Step-by-step explanation:

We have been asked to find what will be the probability that at least 6 of 9 adults use their smartphones in meetings or classes.

We will find our answer using Bernoulli's trails.

$_{r}^{n}\textrm{c}\cdot p^{r}\cdot (1-p)^{n-r}$

First of all we will find the probabilities when r is 6, 7,8 and 9 then we will add them all.

When r=6,

$_{6}^{9}\textrm{c}\cdot 0.46^{6}\cdot (1-0.46)^{9-6}$

$\frac{9!}{6!3!} *0.46^{6} *0.54^{3}$

$\frac{9*8*7*6!}{6!*3*2*1} *0.009474296896*0.157464$

$84*0.009474296896*0.157464=0.12532$

Similarly we will find Probabilities when r=7, 8 and 9.

When r=7

$_{7}^{9}\textrm{c}\cdot 0.46^{7}\cdot (1-0.46)^{9-7}$

$\frac{9!}{7!2!} *0.46^{7} *0.54^{2}$

$\frac{9*8*7!}{7!*2*1} *0.00435817657216*0.2916$

$36*0.00435817657216*0.2916=0.04575039$

When r=8

$_{8}^{9}\textrm{c}\cdot 0.46^{8}\cdot (1-0.46)^{9-8}$

$\frac{9!}{8!1!} *0.46^{8} *0.54$

$\frac{9*8!}{8!*1!} *0.00200476*0.54$

$9 *0.00200476*0.54=0.0097431336$

When r=9,

$_{9}^{9}\textrm{c}\cdot 0.46^{9}\cdot (1-0.46)^{9-9}$

$\frac{9!}{9!0!} *0.46^{9} *1$

$1 *0.00092219*1=0.00092219$

Now let us add all the probabilities to get the final answer.

$0.12532+0.04575+0.00974+0.00092219=0.18173219$

Therefore, probability that at least 6 of 9 adults use their smartphones in meetings or classes is 0.18173219.

6 0

4 years ago

Read 2 more answers

A square has an area of 96 square inches. if the square has a width of 15 and a length of x 3, determine the value of x.

jeka94

If by x3 you mean x cubed then the answer will be:
96/15=6.4
3 root 6.4=1.856635533
x=1.85

8 0

4 years ago

Consider the following inductive arguments, and evaluate each one for inductive strength. To do this, begin by assuming that the

Anna71 [15]

Answer:

Argument A: a. strong

Argument B: b. weak

Argument C: a. strong

Argument D: a. Strong

Step-by-step explanation:

Dolphins and whales are mammals. They do not have gills like other fishes for breathing. They have to come to surface of water to breathe. The whales can store oxygen and can stay alive without breathing for more than an hour while dolphins can stay without breathing for few minutes. Harry has struggles with physics and mathematics therefore he cannot be top scorer in this subject based on his past track record.

6 0

3 years ago

What is the distance from the sun to mercury in scientific notation

defon

57910000 kilometer
-
(57.91 *10^6) k.m
if you move the dot to left you have to increase the power of ten

7 0

3 years ago

Find this answer please

tamaranim1 [39]

Answer:

1,062,880

Step-by-step explanation:

8 0

3 years ago