Asimple random sample of 450 residents in the state of new york is taken to estimate the proportion of people who live within 1 mile of a hazardous waste site. if 135 of the residents in the sample live within 1 mile of a hazardous waste site, what are the values of the sample proportion of people who live within 1 mile of a hazardous waste site and its standard error?

Find the value of the cosine for angle a

Graph the equationy=x^2 -[tex]y = x^{2} - 2[/tex]

The number of chocolate chips in a bag of chocolate chip cookies is approximately normally distributed with a mean of 12611261 chips and a standard deviation of 118118 chips. (a) determine the 2626th percentile for the number of chocolate chips in a bag. (b) determine the number of chocolate chips in a bag that make up the middle 9696% of bags. (c) what is the interquartile range of the number of chocolate chips in a bag of chocolate chip cookies?