The article “Bioremediation of Soil Contaminated Crude Oil by Agaricomycetes” describes an experiment to determine the effectiveness of mushroom compost in removing petroleum contaminants from soil. Out of 150 seeds planted in soil containing 3% mushroom compost by weight, 74 germinated. Out of 150 seeds planted in soil containing 5% mushroom compost by weight, 86 germinated. Find a 95% confidence interval for the difference between the proportions of seeds that germinate.

What will be an ideal response?


Trades & Technology

You might also like to view...

A foundation system consisting of perimeter foundation walls and an elevated ground floor with an underlying crawl space is commonly used

A) for low-rise buildings in warm climates. B) for low-rise buildings in cold climates. C) where the water table is high. D) where the soil-bearing capacity is low. E) where the soil is expansive.

Trades & Technology

Which op-amp circuit would be useful to switch to an "on" condition at a specified voltage?

A) instrumentation amp B) operational transconductance amplifier configured as a Schmitt-trigger C) voltage-to-current converter D) isolation amplifier

Trades & Technology

A design becomes a _____ only after input from all design team members, as well as individuals involved in production and sales/distribution.

A. final product B. prototype C. mindmap D. brainstorm

Trades & Technology

Power is a measurement for which of the following? (It is a measurement of work being done).

A. Rate B. Speed C. Both A and B D. Neither A nor B

Trades & Technology