Question

In: Math

Apply the 68-95-99.7 rule to answer the question. The systolic blood pressure of a group of...

Apply the 68-95-99.7 rule to answer the question. The systolic blood pressure of a group of 18-year-old women is normally distributed with a mean of 113 mmHg and a standard deviation of 11 mmHg. What percentage of 18-year-old women in this group have a systolic blood pressure that lies within 3 standard deviations to either side of the mean? A. 95% B. 68% C. 34% D. 99.7%

Solutions

Expert Solution


Related Solutions

Apply the 68-95-99.7 Rule to a mean of 67.9498 and standard deviation 1.94
Apply the 68-95-99.7 Rule to a mean of 67.9498 and standard deviation 1.94
What is meant by empirical rule or 68 – 95 – 99.7 rule in statistics ?
What is meant by empirical rule or 68 – 95 – 99.7 rule in statistics ?
16. Using the rule of 68-95-99.7, we know that 99.7% of data will fall between how...
16. Using the rule of 68-95-99.7, we know that 99.7% of data will fall between how many standard deviations of the mean?  _____________ 17. When we look at the direction of correlation coefficients, we look at the relationship between two variables.  If you are measuring the relationship of caffeine intake and difficulty falling asleep, and discovered that as caffeine intake increased, difficulty falling asleep also increased, this would be a _________________ relationship. 18. The strength of the relationship between two variables, whether...
Applying the 68-95-99.7 rule. The average amount you spend on a lunch during the week is...
Applying the 68-95-99.7 rule. The average amount you spend on a lunch during the week is not known. Based on past experience, you are willing to assume that the standard deviation is $2.10. You are taking a random sample of 28 lunches. The 68-95-99.7 rule says that the probability is about 0.95 that x with bar on top is within $_________ of the population mean μ. Fill in the blank (report to two decimal places)
1. Use the​ 68-95-99.7 Rule to approximate the probability rather than using technology to find the...
1. Use the​ 68-95-99.7 Rule to approximate the probability rather than using technology to find the values more precisely. The daily closing price of a stock​ (in $) is well modeled by a Normal model with mean ​$158.14 and standard deviation ​$4.64. According to this​ model, what cutoff​ value(s) of price would separate the following​ percentage? ​ a) highest 0.15​% ​b) highest ​50% ​c) middle 95​% ​d) highest 2.5​% 2. In the last quarter of​ 2007, a group of 64...
According to the 68-95-99.7 rule what percent of the population are more than 2 standard deviation...
According to the 68-95-99.7 rule what percent of the population are more than 2 standard deviation away from the mean?
How would the 68, 95, 99% rule apply for measures E and F if for measure...
How would the 68, 95, 99% rule apply for measures E and F if for measure E my mean is 73 and standard deviation of 11 and Measure F my mean is 27 and standard deviation of 17.4 what each fall between
1. The following table gives the systolic blood pressure and age of patients. Systolic Blood Pressure...
1. The following table gives the systolic blood pressure and age of patients. Systolic Blood Pressure Age 131 34 132 36 122 30 119 32 123 26 115 23 137 37 a) Determine an r value for this data and classify the value as weak, moderate, or strong. b) Based on your calculated r value, what can you say about the slope of the regression line? c) Determine the model equation. This is also called the regression line or the...
Systolic blood pressure was measured in a group of 30 patients diagnosed with hypertension: Patient No....
Systolic blood pressure was measured in a group of 30 patients diagnosed with hypertension: Patient No. 1 2 3 4 5 6 7 8 9 10 Blood pressure, mmHg 155 138 126 152 164 142 128 132 170 145 Patient No. 11 12 13 14 15 16 17 18 19 20 Blood pressure, mmHg 129 122 128 127 141 132 127 145 138 138 Patient No. 21 22 23 24 25 26 27 28 29 30 Blood pressure, mmHg 127...
Systolic blood pressure is the amount of pressure that blood exerts on blood vessels while the...
Systolic blood pressure is the amount of pressure that blood exerts on blood vessels while the heart is beating. The mean systolic blood pressure for people in the United States is reported to be 122 millimeters of mercury (mmHg) with a standard deviation of 15 mmHg. The wellness department of a large corporation is investigating whether the mean systolic blood pressure of its employees is greater than the reported national mean. A random sample of 50 employees will be selected,...
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT