Whatever the mean pregnancy length is, the standard deviation is 16. So it is WITHIN 32 days meaning that it could be one standard deviation of 16 back from the mean or one above the mean. And according to the empirical rule or something called like that, the percentage of one standard deviations form the mean is 68% theoretically. So 68% is your answer.
Answer:
Oxygen; 34.01°C
Step-by-step explanation:
The oxygen freezes first as it has a higher (warmer) freezing point. For both to freeze, the temperature must drop a further 34.01°C as:
-218.79 - (-252.8)
= 252.8 - 218.79
= 34.01
Hi there
Painting preference and total number of students.
For two way table we need to the data that will consider all the cases:
So, an art teacher should use the two variable painting preference and number of students as her first row and first column respectively.
Because these two things will consider both water color or oil painting under painting preference.
And all students of all three classes under number of students.
hope this help you
Answer:
2663 ft
Step-by-step explanation:
Using SOHCAHTOA:
Solve for x:
Answer:
20 hours
Step-by-step explanation:
Make the denominators equal for the 2 fractions by multiplying 3 by 10 to make 30. Do the same to the denominator, the answer being 20. So, the 2 fractions will now be 1/30 and 20/30. 1 fits into 20, 20 times.