A Professor at a Local University Noted That the Grades

question 125

Short Answer

A professor at a local university noted that the grades of her students were normally distributed with a mean of 78 and a standard deviation of 10.
a.The professor has informed us that 16.6 percent of her students received grades of A. What is the minimum score needed to receive a grade of A?
b.If 12.1 percent of her students failed the course and received F's, what was the maximum score among those who received an F?
c.If 33 percent of the students received grades of B or better (i.e., A's and B's), what is the minimum score of those who received a B?

Explain the effect of substituents on the reactivity and properties of aromatic amines.

Utilize solubility differences in the purification of amines and their identification.

Understand the concept of percentiles within a distribution.

Identify the direction of a value in relation to the mean within a normal distribution.

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Definitions:

Public Network

A network that is accessible to the general public, offering wide accessibility and connectivity.

VPN

Virtual Private Network; a service that encrypts your internet connection and hides your online identity.

Public-Key Encryption

A cryptographic system that uses pairs of keys: public keys which may be disseminated widely, and private keys which are known only to the owner.

Private Key

A secret key used in encryption algorithms, kept confidential by the owner, for securing digital communications or transactions.