A random sample of 69 SAT scores of students applying for merit scholarships showed an average of 1500 with a standard deviation
of 240. If we want to provide a 95% confidence interval for the population mean SAT score, what are the degrees of freedom for reading the t value
1 answer:
Answer:
68
Step-by-step explanation:
The formula required to calculate degrees of freedom is given as:
Number of samples - 1
From the above question:
The number of samples = 69
The degrees of freedom is calculated as:
69 - 1
= 68
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Answer:
22/5
Step-by-step explanation:
4 
new numerator for improper fraction = (4 x 5) + 2 = 20 + 2 = 22
=> 22/5
As there are no parenthesis, Follow PEMDAS and go from left to right
14 x 13 = 182
182/9 = 20.22
20.22 + 8 = 28.22
28.22 is your answer
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Answer:
The answer is 7
Step-by-step explanation:
Q11-4=7
Hope this helped!!!
Answer:
i don't what you want me to do here...
You gave me the same problem just two different numbers so maybe the answer is 7... idek tho bro
k times x = 7
k times x = 49
Step-by-step explanation:
Answer:
area = 2236 in²
Step-by-step explanation:
area of a triangle = 1/2 b h
b = 86
h = 52
plug in values
area = 1/2 * 86 * 52
area = 2236 in²
