2 years ago

Pls answer urgent now maths

Mathematics

2 answers:

NISA [10]2 years ago

6 0

Answer:

The answer would be 12 because you would do 44 divided by 3 2/3

Umnica [9.8K]2 years ago

4 0

Answer: 12 $m^{2}$

Step-by-step explanation: To find the missing length, all we need to do is divide the known length by the area:

44 ÷ 3 2/3

We need to convert this mixed number to an improper fraction. Remember, multiply the whole number by the denominator, then add the numerator to your product (the denominator stays the same):

3 × 3 = 9

9 + 2 = 11

11/3

Now, we divide:

44 ÷ 11/3

Keep the first number, flip the second fraction, and change the sign:

44 × 3/11 = 12 m^2

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) The GPA of accounting students in a university is known to be normally distributed. A random sample of 20 accounting students

katen-ka-za [31]

Answer:

The 95% confidence interval for the mean GPA of all accounting students at this university is between 2.5851 and 3.2549

Step-by-step explanation:

We are in posessions of the sample's standard deviation. So we use the student's t-distribution to solve this question.

The first step to solve this problem is finding how many degrees of freedom, we have. This is the sample size subtracted by 1. So

df = 20 - 1 = 19

95% confidence interval

Now, we have to find a value of T, which is found looking at the t table, with 19 degrees of freedom(y-axis) and a confidence level of $1 - \frac{1 - 0.95}{2} = 0.975([tex]t_{975}$ ). So we have T = 2.0930