Question: In a large lecture Physics class, the grades on the final exam follow a normal distribution. The mean grade on the exam was a 71,

In a large lecture Physics class, the grades on the final exam follow a normal distribution. The mean grade on the exam was a 71, and the standard deviation was 9.2 points. If Oscar's test grade was a 65, what percent of students had his score or a lower score? Round your final answer to 1 decimal place and include the percent symbol in your

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock blur-text-image

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Students Have Also Explored These Related Mathematics Questions!

In a large lecture Physics class, the grades on the final exam follow a normal distribution. The mean grade on the exam was a 71, and the standard deviation was 9.2 points. If Jen's test grade was an...

In a large lecture Physics class, the grades on the final exam follow a normal distribution. The mean grade on the exam was a 68, and the standard deviation was 8.6 points. If Carla's test grade was...

Question & Corpt 03 98 0 Details Data was collected for 300 fish from the North Atlantic. The length of the fish (in mm) is summarized in the GFDT below. Lengths (mm) Frequency 120 - 12 125 - 129 16...

Identify and then briefly explain the eight general audit procedures used to gather evidence. Next, please provide an example for each of the eight procedures?

An alternating current I = I 0 cos ( w t) flows down a long straight wire, and returns along a coaxial conducting tube of radius a. (a) In what direction does the induced electric field point...

Chemco, a supplier of chemical waste containers, finds that 3% of a sample of 500 units are defective. Being fundamentally dishonest, the Chemco production manager wants to make a claim that the rate...

How do you think this problem should be treated?

The City of Pfeiffer starts the year of 2017 with the general fund and an enterprise fund. The general fund has two activities: education and parks/recreation. For convenience, assume that the...

Happy Enterprises currently has an operating cycle of 62 days. The firm is analyzing some operational changes, which are expected to increase the accounts receivable period by 2 days and decrease the...

Case : Karl and June Monroe

An asset used in a 4-year project falls in the 5-year MACRS class (MACRS Table for tax purposes. The asset has an acquisition cost of $16,200,000 and wil be sold for $3,600,000 at the end of the...

Explain the factors that determine the degree of decentralisation

What Is acidity?

Explain the principles of delegation

State the importance of motivation

Discuss the various steps involved in the process of planning

L. An airline ticket counter has a single ticket agent and customers are served on a first come-first served basis. The table below gives the service times and interarrival times of the first 10...

Using (1) or (2), find L(f) if f(t) if equals: t cos 4t

Amendment. The Board of Directors of a publicly traded company says that a proposed amendment to their bylaws is likely to win approval in the upcoming election because a poll of 1505 stock owners...

Approval rating. A newspaper reports that the governors approval rating stands at 65%. The article adds that the poll is based on a random sample of 972 adults and has a margin of error of 2.5%. What...

Pilot study. A states environmental agency worries that a large percentage of cars may be violating clean air emissions standards. The agency hopes to check a sample of vehicles in order to estimate...