The correct answer is B) coal.
The industry that was influenced by the steam engine and first allowed for technological innovations in transportation was the coal industry.
The steam engine used coal to work. This new invention served to produce energy in a most powerful way than other devices.
The invention of the steam engine changed the way people produced goods in industries and in the transportation industry. Indeed, this invention transformed industries.
New machines in the fabrics helped to introduce the concept of mass production to produce goods more efficiently and at better costs. In the transportation industry, the steam engine allowed the development of railroads as the best means of transportation in the 1800s.
Answer:
A and B are not independent
Explanation:
Given
Required
Determine if A and B are independent
If A and B are independent, then:
Substitute values for P(A) and P(B)
The calculated value of P(A n B) and the given value of P(A n B) are not equal.
i.e.
<em>Hence, A and B are not independent</em>
Answer: B) The width of the interval based on 100 men would be about three times the width of the interval based on 900 men.
Explanation:
Based on the information given, if there's no change in the sample proportion, the option that best describes the anticipated effect on the width of the confidence interval assuming the magazine surveyed a random sample of 100 men who practice yoga, rather than 900 men will be option B "The width of the interval based on 100 men would be about three times the width of the interval based on 900 men.
Therefore, the correct option is B.
