How many solutions does the equation 4x² + 4x +1=0 have?
a) 2
a) o
4x1=0 have?
ob 1
d) more than 2

Planning for the possibility that your home might get struck by lighting and catch on fire is part of a plan for ?

Which of the following is the major negative aspect of crossover designs for research studies? a. prohibitive cost b. residual effects c-subject drepout d. incomplete randomization e. large sample size required

Now, martin can reasonably guess that the standard deviation for the entire population of people at the mall during the time of the survey is $1.50. what is the 95% confidence interval about the sample mean? interpret what this means in the context of the situation where 95 people were surveyed and the sample mean is $8. use the information in this resource to construct the confidence interval.