What is 251,031 rounded to the nearest thousand
2 answers:
Answer:
251,000.
Step-by-step explanation:
We have been given a number 251,031.
First of all, we will find the place value of our given number as:
Ones: 1,
Tens: 3
Hundreds: 0
Thousands: 1
Ten thousands: 5
Hundred thousands: 2
We can see that the thousands digit is 1 and hundreds digit is 0. Since the value of hundreds digit is less than 5, so we will round down our number to nearest thousand that is .
Therefore, our required number would be 251,000.
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The probability that both grab oranges would be =
Step-by-step explanation:
Given,
A bowl contains,
Apples = a = 5
Oranges = o = 2
bananas = b = 2
Total fruits in bowl = x = a + o + b = 5 + 2 + 2 = 9
Now, Christian and Aaron come home from school and randomly grab one fruit each.
The probability of first selecting orange would be =
Now, the oranges left would be 2 - 1 = 1
and total fruits would be = 9 - 1 = 8
Hence, the probability of selecting second orange would be =
Therefore, the probability that both grab oranges would be =
Answer:
(A) The minimum sample size required achieve the margin of error of 0.04 is 601.
(B) The minimum sample size required achieve a margin of error of 0.02 is 2401.
Step-by-step explanation:
Let us assume that the percentage of support for the candidate, among voters in her district, is 50%.
(A)
The margin of error, <em>MOE</em> = 0.04.
The formula for margin of error is:
The critical value of <em>z</em> for 95% confidence interval is:
Compute the minimum sample size required as follows:
Thus, the minimum sample size required achieve the margin of error of 0.04 is 601.
(B)
The margin of error, <em>MOE</em> = 0.02.
The formula for margin of error is:
The critical value of <em>z</em> for 95% confidence interval is:
Compute the minimum sample size required as follows:
Thus, the minimum sample size required achieve a margin of error of 0.02 is 2401.