Suppose two cellphones are tested at random. We want to find out the number of defective cellphones that occur. In order to write the result easily, use D for the defective cellphones and N for non defective Determine the number of defective cellphones that may occur. Is this continuous or discrete?
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Suppose two cellphones are tested at random.
We want to find out the number of defective cellphones that occur.
In order to write the result easily, use D for the defective cellphones and N for non defective
Determine the number of defective cellphones that may occur. Is this continuous or discrete?
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- A survey was conducted among 68 patients admitted to a hospital cardiac unit during a two-week period. The data of the survey are shown below. Let B= the set of patients with high blood pressure. Let C= the set of patients with high cholesterol levels. Let S = the set of patients who smoke cigarettes. Answer parts (a)-(d) below. n(BNS) = 11 n(B n C) = 11 n(B ncns) = 6 n[(B nC) U (BNS) u (CNS)] = 20 n(B) = 30 n(C) = 28 n(S) = 31 ... (a) Find the number of these patients that had either high blood pressure or high cholesterol levels, but not both. The number of patients that had high blood pressure or high cholesterol levels, but not both, is 41 AMarta likes to play two different lottery games. The probability of winning the first game is 0.08, and the probability of winning the second game is 0.11. If she plays both games tomorrow, find the probability she wins at least one of the games. (Assume independence of the two events.) Give the answer as a decimal, and round to 4 decimal places if rounding is necessaryThe following table was generated from the sample data of 10 junior high students regarding the average number of hours they are unsupervised per night, the average number of hours they play video games per night, and their final grades in their math class. The dependent variable is the final grade, the first independent variable (x1) is the number of hours unsupervised each night, and the second independent variable (x2) is the number of hours of video games each night. Coefficients Standard Error t-Stat p-value Intercept 62.711817 4.607133 13.611896 0.000010 Hours Unsupervised 0.635048 0.915495 0.693666 0.513836 Hours Playing Video Games 7.528738 1.296727 5.805955 0.001145 Copy Data Step 1 of 2: Write the multiple regression equation for the computer output given. Round your answers to three decimal places. Answer 田 Tables 国 Keypad How to enter your answer (opens in new window) Keyboard Shortcuts X +
- 12) The time it takes to drive to Tampa, Florida. Is this data discrete or continuous? A) Discrete B) Continuous Explain why you chose that answer."Tech D" has collected data concerning their 622 employees: 305 are married; 332 are over 40 years old; 311 are female; 196 are married and over 40; 181 are married and female; 235 are over 40 and female; 126 are married, over 40, and female. How many employees are over 40 and not married? You may want to draw a Venn Diagram to illustrate this situation.Is this value from a discrete or continuous data set.The number of classes you are taking this quarter Discrete Continuous
- The following table was generated from the sample data of 1010 junior high students regarding the average number of hours they are unsupervised per night, the average number of hours they play video games per night, and their final grades in their math class. The dependent variable is the final grade, the first independent variable (x1x1) is the number of hours unsupervised each night, and the second independent variable (x2x2) is the number of hours of video games each night. Coefficients Standard Error t-Stat p-value Intercept 57.968435 7.227955 8.020032 0.000201 Hours Unsupervised 5.131630 1.314283 3.904510 0.007943 Hours Playing Video Games 1.067855 1.615039 0.661194 0.533040 Indicate if any of the independent variables could be eliminated at theThe study measured the birth weights and incidence of jaundice among a sample of babies born at a hospital and we found x =6.7 pounds and p = 0.45 or 45% showed signs of jaundice is this a good example of notation why or why not?Please clearly shows the steps. I'm not sure if my answer(1/3) is correct, so please just ignore it and calculate by yourself.
- The values listed below are waiting times (in minutes) of customers at 2cdifferent banks. At Bank A, customers enter a single waiting line that feeds three teller windows. At Bank B, customers mayventer any one of three different lines that have formed at three teller windows. Answer the following questions. Bank A 6.3 6.6 6.7 6.8 7.1 7.2 7.5 7.8 7.8 Bank B 4.1 5.5 5.8 6.1 6.7 7.7 7.7 8.4 9.3 10.0 Construct a 95% confidence interval for the population standard deviation at Bank AA professor claims that the average grade of students in her courses is 80%. Identify Type II error for this claim. O Fail to reject the claim that average grade is 80% when it is actually 80%. O Fail to reject the claim that average grade is 80% when it is actually different from 80%. O Reject the claim that average grade is 80% when it is actually 80%. O Reject the claim that average grade is 80% when it is actually different from 80%.