Answer: t=-5.651
Explanation:
Let 
be the population mean number of hours a week answering their email.
As per given we have
Sample size : n= 783
Sample mean : 
Sample standard deviation: s=7.23
Since population standard deviation is unknown, so our test -statistic has a t-distribution.
Test statistic : 
∴ The test statistic : t=-5.651
Answer:
A long narrow stretch of Hills is called ridge.
Answer:
To show that Kahlo often made strange choices
Explanation:
From the excerpts made above about the wedding of Frida Kahlo, it goes to show that Frida is someone who has refused to conform to already established standards in the world.
<em>Rather, she tends to be different and unique in her actions which could be seen in the series of decision she took. For example, she deciding to wear native costume rather than the established white dress worn by every woman during their wedding.</em>
Answer:
B) Neutral feeling when seeing the pen color paired with the music from Grease.
Explanation:
In the Gorn experiment, the operant behavior involved neutral feeling when seeing the pen color paired with the music from Grease.
Answer:
D. The Jim Crow Laws
Explanation:
Jim Crow laws were state and local laws that enforced racial segregation and discrimination in the Southern United States. The Laws were enacted in the late 19th and early 20th centuries by white Democratic-dominated state legislatures after the Reconstruction period. The laws were enforced until 1965.
From the question, it was Jim Crows laws that enforced racial segregation in the 1880s.
