The answer is 9.92 pounds
44*1 , 43+1, 44+0 , 42+2, there are numerous ways a problem could equal 44
Answer:
95%.
Step-by-step explanation:
We have been given that the lifetimes of light bulbs of a particular type are normally distributed with a mean of 370 hours and a standard deviation of 7 hours.
We are asked to find the percentage of the bulbs whose lifetimes lie within 2 standard deviations to either side of the mean using empirical rule.
The empirical rule (68-95-99.7) states that approximately 68% of data points lie within 1 standard deviation of mean and 95% of data points lie within two standard deviation of mean. 99.7% of data points lie within three standard deviation of mean.
Therefore, approximately 95% of data points lie within two standard deviation of mean.
Answer: 30%
Step-by-step explanation:
Total number of people involved in the tournament= 50
Number of people chosen to play rugby= 35
Number of people chosen to play football= 15
To get the percentage of people that are chosen to play football, we divide the number of people chosen to play football by the total number of people chosen for the tournament and then multiply the answer by 100. This will be:
= 15/50 × 100
= 0.3 × 100
= 30%
The percentage of people chosen to play football is 30%.
You first do the equation in the parenthesis, Then, do all else using PEMDAS
