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bekas [8.4K]
3 years ago
10

Given a set of data that is skewed right, there is at least ___% of the data within three standard deviations.

Mathematics
1 answer:
Mashcka [7]3 years ago
6 0

Answer:

75%

Step-by-step explanation:

The right skewed data set means the data mostly lies in the right tail. There is majority of data present in the right tail of the data set. The mean, median and mod all are different for the rightly skewed data set.

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Carlos has 38 apples.He puts 8 into each bag.If he fills many bags as possible ,how many apples are left?
leva [86]
Well that would be 8 apples in 4 bags so there’s 6

answer: 6
7 0
3 years ago
A test of H0: p = 0.5 versus Ha: p > 0.5 has the test statistic z = 1.15. Part A: What conclusion can you draw at the 5% sign
Nadya [2.5K]

Answer:

Part A: The null hypothesis failed to be rejected.

Part B: The null hypothesis failed to be rejected.

Step-by-step explanation:

We have an hypothesis test with null and alternative hypothesis H0: p = 0.5 versus Ha: p > 0.5, which has the test statistic z=1.15.

Part A: If the significance level is 0.05, the conclusion depends on the P-value.

If the P-value is below 5%, the null hypothesis is rejected.

The P-value for this right-tailed tes and z=1.15 is:

P-value=P(z>1.15)=0.125

The P-value is bigger than the significance level, so the effect is not significant and the null hypothesis is failed to be rejected.

Part B: In this case, the significance level is 0.01 and, as the alternative hypothesis is defined with an unequal sign, the test is two-tailed.

This changes the way we calculate the P-value, as we need to compute the two tails.

The P-value is:

P-value=2P(z>1.15)=0.25

The P-value is bigger than the significance level, so the effect is not significant and the null hypothesis is failed to be rejected.

5 0
3 years ago
Why are decimals called decimals? ​
natta225 [31]

Answer:

Step-by-step explanation:

Decimal comes from the Latin word decimus, meaning tenth, from the root word decem, or 10. The decimal system, therefore, has 10 as its base and is sometimes called a base-10 system. Decimal can also specifically refer to a number in the decimal system.

8 0
3 years ago
Mr Conover bought 6 boxes of Patel for his art class. He paid $4.50 for each box. What was the total cost of the box
slava [35]
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3 0
3 years ago
Kristal orders tacos. She left a $7 tip which was 20% of her bill.
morpeh [17]

Answer:

30 bucks

Step-by-step explanation:

Just multiply 7 x 5

4 0
3 years ago
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