The Certain Company produces Batteries. The Company claimss That 80 Percent Of The batteriesare good for 70 monthly and more a Random sample of 100 such batterie is taken ans thw sample proportion is calculated. if the claim is true A. Find The mean of the distribution of sample proportion also find the atandard error of the peoportion. B. Find The Peobability That In A Random Sample Of 100,the proportion of those who are good for 70 month or more will be i. less than 70 percent ii. more than 75 percent

Spider crabs live in the shallow regions of the ocean floor. algae tend to grow on the surface of spider crabs. the algae provide the crabs protection from predators by camouflaging them. the spider crabs give the algae shelter. what does this description suggest? 1. the algae are parasites of the spider crabs. 2. the algae and the spider crabs have a mutualistic relationship. 3. the spider crabs are commensals, and the algae are parasites. 4. the spider crabs benefit from the algae living on them. 5. the spider crabs are parasites of the algae.

Which of the following statements is the best answer regarding training for struck by hazard

How do refracting telescopes magnify a far away image? a. by directing light beams to meet at a focal point b. by absorbing light beams’ wavelengths c. by forcing light beams to change direction d. by measuring light beams’ velocity