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4 years ago

What is 9 divided by 4,039?

Mathematics

1 answer:

NNADVOKAT [17]4 years ago

6 0

0.0022282743353281 is the answer

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The cost of a daily newspaper varies from city to city. however, the variation among prices remains steady with a standard devia

Tanya [424]

First, we establish our hypothesis:

Null hypothesis H0: μ = $1.00

Alternative hypothesis Ha: μ ≠ $1.00

Let’s say X = the sample average cost of a daily newspaper = 0.96

u = population mean cost = 1.00

S = sample standard deviation = 0.18

Calculating for z value:

z = (X – u) / S

z = (0.96 – 1) / 0.18

z = – 0.222

From the standard distribution table at this z value, p-value = 0.4129

Since alpha = 0.01, the decision therefore is:

Do not reject the null hypothesis because the p-value is greater than 0.01. There is enough evidence to support the claim that the mean cost of newspapers is $1.

6 0

3 years ago

If you plot the point -8.85 on a number line, would you place it to the left or right of -8.8?

Ilya [14]

You would place it on the left.

-8.85 < -8.8

7 0

3 years ago

BRAINLY TO FIRST PERSON TO ANSWER THIS CORRECT

LenaWriter [7]

Answer:

Concept: Modeling

Based on the image shown we have a 1:6
1 inch is the original and 6 is the scales model
Hence itd be 12: ?
So 12 × 6= 72 inch
Option B

3 0

3 years ago

Is -25 not a integers yes or no

lesantik [10]

Yes it is indeed an integer

8 0

3 years ago

Swim team members can race or dive. At a meet, 18 members race. The ratio of racers to divers is 6 : 2. How many members are on

AnnyKZ [126]

Answer:

Step-by-step explanation:

Given that:

Total number of members who race = 18

Ratio of racers to divers = 6 : 2

To find:

Total number of members of the team = ?

Solution:

Given the ratio = 6 : 2

As per the ratio given, we can let the number of racers = $6x$

and

As per the ratio given, we can let the number of divers = $2x$

As the swim team members can either race or dive, we can say that:

Total number of members on the team = Number of racers + Number of divers

Total number of members on the team = $6x+2x=8x$

As per the question statement, we are given that:

$6x=18\\\Rightarrow x =\dfrac{18}{6}\\\Rightarrow x =3$

Therefore, total number of team members = 8 $\times$ 3 = 24

7 0

3 years ago