Over the Entire Six Years That Students Attend an Ohio

question 14

Multiple Choice

Over the entire six years that students attend an Ohio elementary school,they are absent,on average,28 days due to influenza.Assume that the standard deviation over this time period is days.Upon graduation from elementary school,a random sample of 36 students is taken and asked how many days of school they missed due to influenza. Refer to Exhibit 7-1.The probability that the sample mean is between 25 and 30 school days is ___________.

• A)0.0228
• B)0.0918
• C)0.8854
• D)0.9082

---

Definitions:

Launched

The act of officially starting or introducing something new, such as a product, service, or mission.

RF Jamming

The deliberate emission of radio frequency signals to interfere with the operation of a communicating device by overpowering it with noise or false information.

Wireless Network

A network where devices communicate over airwaves without requiring physical connections, using technologies like Wi-Fi and Bluetooth.

Transmissions

The action or process of transmitting something, or the mechanism by which power is transferred from an engine to the wheels of a vehicle.