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Cerrena [4.2K]
4 years ago
9

Need help please and thank you.

Mathematics
1 answer:
choli [55]4 years ago
7 0
A is false because sum of 6 occurred 7 times and that's give us 7 / 50 = 0.14 = 14%, not 7%.

B is true because 10 or 11 occurred 9 times in total so that's 9 / 50 = 18%

C is false because 3 or 4 or 5 occurred 12 times in total so that's 12 / 50 = 24% not 22%

D is false because there are 20 dots in total for sum less than 7 so that would be 20 / 50 = 0.4 = 40%, not 60%

Final answer: B

Hope this helps.
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Help me pls! I have to get his done.<br>Factorise this!<br>2x^2+5x+3​
MArishka [77]

Hello there!☺

Answer:\boxed{(2x+3)(x+1)}

Explanation:

2x^2+5x+3 Factorized

To factor 2x^2+5x+3, we will have to do it by grouping.

2x^2+5x+3\\(2x+3)(x+1)

(2x+3)(x+1) is your answer.

Hope this helps!☺

8 0
4 years ago
Find the IQR of the data set in the dot plot
Sholpan [36]

Answer:

5.5 - 1.5 = 4

Brainliest pls

7 0
3 years ago
Jim wanted to find out what the audience thought about the debate. After the event, Jim stood at the exit to survey every fifth
balu736 [363]

Answer: D. This was a random sample. It may have included anyone in attendance.

Step-by-step explanation:

The options are:

A. This was a biased sample. Jim should interview all in attendance.

B. This was a census. Any guest may have participated.

C. This was a random sample. It may not have included anyone in attendance.

D. This was a random sample. It may have included anyone in attendance.

A random sampling is simply referred to as a subset of individuals that are picked from a larger set of individuals.

With regards to the question, Jim wanted to find out what the audience thought about the debate and after the event, he stood at the exit to survey every fifth guest.

This means that it was a random sampling and anyone could have been picked, the sampling wasn't bias.

7 0
3 years ago
In April, Phillipa rode 13.5+8.7+11.1 miles on her bicycle. In March, she rode ( 13.5 + 8.7 + 11.1) ÷ 2 miles, and in May, she r
Zina [86]

Answer:

Rode most in May, 133.2 miles

Rode least in March, 16.65

133.2 - 16.65 = 116.55

8 x farther

Step-by-step explanation:

8 0
3 years ago
What is the mean of your data 341, 237, 143,185,248,403,374,451,84,267,178,258,284,465,224
weqwewe [10]

Answer:

The mean for the given set of numbers is 276.133..... repeated

Step-by-step explanation:

To find this you must add the numbers up together and divide them by the amount of numbers there is.

6 0
3 years ago
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