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3 years ago

Write a decimal that repersents the value of one $1 bill and 5 quarters

Mathematics

2 answers:

Lesechka [4]3 years ago

7 0

1.00
1.25
would be your two answers

kozerog [31]3 years ago

3 0

$1.00

5 quarters=$1.25

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The average gasoline price of one of the major oil companies in Europe has been $1.25 per liter. Recently, the company has under

umka2103 [35]

Answer:

1. Option A) Reject the null hypothesis

2. Option B) 0.0062

Step-by-step explanation:

We are given the following in the question:

1. Population mean, μ = $1.25 per liter

Sample mean, $\bar{x}$ = $1.20 per lite

Sample size, n = 49

Alpha, α = 0.05

Population standard deviation, σ = $0.14

First, we design the null and the alternate hypothesis

$H_{0}: \mu = 1.25\text{ dollars per liter}\\H_A: \mu < 1.25\text{ dollars per liter}$

We use one-tailed z test to perform this hypothesis.

Formula:

$z_{stat} = \displaystyle\frac{\bar{x} - \mu}{\frac{\sigma}{\sqrt{n}} }$

Putting all the values, we have

$z_{stat} = \displaystyle\frac{1.20 - 1.25}{\frac{0.14}{\sqrt{49}}}= -2.5$

Now, $z_{critical} \text{ at 0.05 level of significance } = -1.64$

Since,

$z_{stat} < z_{critical}$

We reject the null hypothesis and accept the alternate hypothesis.

Option A) Reject the null hypothesis

Thus, there is enough evidence to support the claim that efficiency measures have reduced the prices.

2. We can calculate the p value from the standard table.

P-value = 0.0062

Option B) 0.0062

4 0

3 years ago

4 and 5. And how do you work them out?

omeli [17]

4) is 2 1/2
6) is 50 crates

6 0

3 years ago

2. Robert has three jobs. He worked at Young's Grocery and earned $5,805. He was a waiter at the A & B Restaurant and earned

antiseptic1488 [7]

Answer:

Robert paid $4,603.6 in Social Security.

Step-by-step explanation:

Robert total earnings:

$5,805 at Young's Grocery.

$12,445 at A&B Restaurant.

$56,002 at CCD Communications.

So his total earnings are of:

5805 + 12445 + 56002 = $74,252

How much did Robert pay in Social Security?

6.2%, that is, 0.062 of $74,252. So

0.062*74252 = $4,603.6

8 0

3 years ago

Divisibilty by 2 5 and 10

Nataly_w [17]

Step-by-step explanation:

if the number ends in a 0,it is divisible by 10.Also if number and s divisible by 2 and 5 it is divisible by 10

6 0

3 years ago

(6 × p) + 3

telo118 [61]

3 + (6 x p) is the answer I think

4 0

3 years ago