What z Score do we need in order to have a total of 5% (or less) error in the design?
1.00
1.50
1.96
1.65
What z Score do we need in order to have a total of 5% (or less) error in the design? A. 1.00 B. 1.50 C. 1.96 D. 1.65
What z Score do we need in order to have a total of 1% (or less) error in the design? A- 1.65 B- 1.50 C- 2.56 D-1.96 1.96
1. What position in the distribution corresponds to a z-score of z = .50? A. Below the mean by a distance equal to 0.5 standard deviations. B. Below the mean by 0.5 points. C. Above the mean by 0.5 points. D. Above the mean by a distance equal to 0.5 standard deviations. 2. Which of the following z-score values represents the location closest to the mean? A. z=+1.50 B. z=+1.00 C. z=-0.75 D. z=-2.00 3. For a population with µ...
Approximately what percentage of people would have scores lower than an individual with a z-score of 1.65 in a normally distributed sample? Question 5 options: a) 95% b) 98% c) It is not possible to calculate this unless the mean and standard deviation are given d) 1%
1000 Assessment 50 99% 2.57 Confidence Level 90% 95% Z-Score 1.65 1.96 A sample of 300 babies born at a hospital is surveyed. 85% are born on or after their due date. What is the margin of error at a 90% confidence error? 2.1% 8 5 2 +4.0% +3.4% 5.3% Ins 2. For a survey of 700 people in which 48% show support for an upcoming vote on a proposed constitutional amendment, what would be the margin of error at...
1. Regarding a two-tailed z-test with an alpha of 0.05, we would need a Zobt with an absolute value less than 1.96 in order to reject the null hypothesis. True or False? 2. What happens to the probability of committing a Type I error if the level of significance is changed from α = 0.05 to α = 0.01? A. It increases B. It decreases C. It stays the same D. Cannot determine 3. Given a Zobt of -1.99 ,...
norango Alper Section BCA Assessment 50 Canidan 90% 95% 4990 2.57 Score 1.65 1.96 5 A sample of 500 students at a university is surveyed. 63% are graduate students. What is the margin of error at a 99% confidence level? + 4.2% 45.5% +2.2% +3.6%
what is the meaning of LAMP and why do we need it in order to
make the database working?
3. What is the meaning of LAMP and why do we need it in order to make the database working. tahanan ha? why it hecame clawar
What does it mean when the Z score of a value is less than -2?
13. If we have a normal distribution with a mean of 75 and a standard deviation of 3. a. what z-score(s) would cut off the middle 40% of the distribution? b. what raw score(s) would cut off the lower 12% of the distribution? c, what raw score(s) would cut off the most extreme 5% of the distribution? d, what T-score(s) would cut off the upper 20% of the distribution?
13. If we have a normal distribution with a mean of...