Abiologist puts an initial population of 500 bacteria into a growth plate. the population is expected to double every 4 hours. which of the following equations gives the expected number of bacteria, n after x days ? ( 24 hours =1 day)
a. n=500(2)^x
b. n=500(2) ^6x
c. n=500(6)^x
d. n=500(6)^2x

Why does the blending of many different diciplines present both challenges and opportunities to enviromental scientist?

Ahypothesis test is conducted with a significance level of 5%. the alternative hypothesis states that more than 65% of a population is right-handed. the p-value for the test is calculated to be 0.03. which of the following statements is correct? we can conclude that more than 3% of the population is right-handed. we cannot conclude that more than 65% of the population is right-handed. we can conclude that more than 65% of the population is right-handed. we can conclude that exactly 3% of the population is right-handed. there is not enough information given to make a conclusion.

Motorcyclists may have to suddenly change direction when encountering a. potholes and reflective markers b. yellow lights c. pavement seams and railroad crossings d. strong winds