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USPshnik [31]
3 years ago
12

5. WHAT IS THE SALE PRICE OF THIS BAG IF IT IS MARKED PHP2735 WITH 33% DISCOUNT?​

Mathematics
1 answer:
Alex777 [14]3 years ago
8 0

Answer:

1832.45

Step-by-step explanation:

2735 - 33% = 1832.45

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Consider the following hypothesis test:H0: 20Ha: < 20A sample of 60 provided a sample mean of 19.6. The population standard d
elixir [45]

Answer:

a: z = -1.936

b: 0.0265

d: z < -1.645

Reject H0 if z < -1.645

Step-by-step explanation:

We are given:

H0:  µ = 20

HA:  µ < 20

n = 60, sample mean: 19.6, σ = 1.6

Since the alternate hypothesis has a < sign in it, it is a left tailed test.  The < or > sign in the alternate hypothesis points towards the rejection region.

For a:  We need to calculate the test statistic for our situation.  This is done with a z-score formula for samples.  

For b:  we need to use the z-score table to look up the p-value for the score we calculate in part a.  The p-value is 0.0265.  This means that there is only about a 2.65% chance that the sample values were a result of random chance.

For d:  Since the significance level is 0.05, and this is a one tailed test, we have a critical value of z < - 1.645.  This means that if the z-score we calculate in part a is less than -1.645, we will reject the null hypothesis

See attached photo for all the calculations!

4 0
3 years ago
Can someone help please!
Tcecarenko [31]

Answer:

7*(1/10)=   the third one

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
The temperature fell by 15 degrees Fahrenheit today.
katrin2010 [14]
<h3>Answer is   -15</h3>

We read this out as "negative 15" or you could write "negative fifteen".

The negative indicates the temperature went down. It doesn't necessarily mean that the final temperature is -15 degrees.

For example, if it starts being 50 degrees F, and drops by 15 degrees, then 50+(-15) = 50-15 = 35 degrees is the temperature after that drop. It might help to use a vertical number line.

8 0
3 years ago
What value of x is in the solution set of 8x – 6 &gt; 12 + 2x?
Harman [31]

Answer:

8x - 6 > 12 + 2x \\ 8x - 2x > 12 + 6 \\ 6x > 18 \\  \frac{6x}{6}  >  \frac{18}{6}  \\ x > 3

<em>hope</em><em> </em><em>this</em><em> </em><em>helps</em><em> </em><em>you</em><em>.</em><em>.</em><em>.</em><em>!</em>

3 0
3 years ago
Read 2 more answers
A coin weighs 4/15 ounces. A different coin weighs 1/15 ounces. How much do the two coins weigh together? Write your answer as a
olchik [2.2K]

Answer:

1/3

Step-by-step explanation:

4/15 + 1/15 = 5/15

simplified its 1/3

7 0
3 years ago
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