Answer: P(mean x<18.1077) = P(z< -2.67) = 0.0038
Step-by-step explanation:
Value of Z for 18.1077 = (18.1077 - 19.5)/0.5209 = -2.67
The answers to the questions
Answer:

Step-by-step explanation:
From the question we are told that:
Sample size 
Mean 
Standard deviation
Significance Level 
From table
Critical Value of 
Generally the equation for momentum is mathematically given by




Answer:
the answer is 400-8=394.
Step-by-step explanation:
Answer:
- <em><u>"Ambassador of Jazz"</u></em>
Explanation:
<em>John Birks "Dizzy" Gillespie</em> (1917 – 1993) is recognized as an extraordinary trumpet player who had tremendous influence in the modern jazz and the development of the new music style called bebop.
<em>Bebop</em> required instrumental virtuosity and creativity to improvise as it involves fast tempo, and numerous of rapid changes of chords and keys. Personal characteristics that Gillispie had in excess.
As you can find in the internet, the nickname of "Ambassador of Jazz" was given to him in 1956, during a State Department tour of the Middle East that he succesfully organized.
Gillespie was a leader in music and an innovator who greatly influenced the musical development of this genre. He played along with other important jazz and bebop players of his time.