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kvv77 [185]
2 years ago
11

Whats the answer for 1/5+2/5+3/5=

Mathematics
1 answer:
ollegr [7]2 years ago
8 0

Answer: 1.2

Is your answer.

Glad I could help!

Step-by-step explanation:

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a teacher plans a simulation to estimate the probability that a student will pick a vowel out of a bag of 26 tiles, each with a
Alex Ar [27]

Answer:

Yes

Step-by-step explanation:

Given that a teacher prepares 26 tiles with 5 vowels numbered 1 and 21 consonants numbered 2.

The probability for drawing vowel =\frac{5}{26}

Prob for consonant =\frac{21}{26}

If number of trials is atleast 30 we can expect reliable results.

Here the results are recorded for 120 times at random.

Since number of trials is large, we can expect a reliable and accurate results representing the actual probability.

This is because more the number of trials, the less would be the margin of error i.edeviationfrom the expected probability would be minimum

8 0
3 years ago
Read 2 more answers
Many airline companies have begun implementing fees for checked bags. Economic theory predicts that passengers will respond to t
valentinak56 [21]

Answer:

Step-by-step explanation:

a. The hypothesis test is  one tailed_____ test.

(Because we check whether sample weight is greater than hence one tailed or right tailed)

The test statistic follows a __t___ distribution.(Because only sample std deviation s is known)

The value of the test statistic is___Mean difference/Std error =\frac{17.1-16}{\frac{6}{\sqrt{67} } } \\=1.58__

b. df = 66

Reject H0 if t ≥ 1.668

c. The p-value is_____0.059444

d. Using the critical value approach, the null hypothesis is _accepted____, because __t <1.668___ Using the p-value approach, the null hypothesis is__accepted___, because__p value <0.05 our significance level.___ Therefore, you __may___ conclude that the mean weight of the airline's passengers' carry-on items has increased after the implementation of the checked-bag fee.

4 0
3 years ago
What is 26 divided by 10.92
Bezzdna [24]

26 divided by 10.92 equals 2.380952

7 0
3 years ago
Please help someone !???a
miv72 [106K]

I think question statement c is false about proof

7 0
3 years ago
I need help with the real world link
statuscvo [17]
5 degrees because 5 + (-5) is 0

hope this helped

:)
7 0
3 years ago
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