# math

Empirical rule the authors generac generator produces voltage amounts with a mean of 125.0 volts and a standard deviation of 0.3 volt,and the voltage have a bell-shape distribution.using the empirical rule,what is the approximate percentage of voltage amounts between 124.4 volts and 125.6 volts?

1. 👍 0
2. 👎 0
3. 👁 467
1. You are within two standard deviations. What is the rule?

http://davidmlane.com/hyperstat/z_table.html

1. 👍 0
2. 👎 0
👨‍🏫
bobpursley
2. Empirical Rule

1. 👍 0
2. 👎 0

## Similar Questions

1. ### Calculus

The voltage,V, in an electrical unit is related to the current,I, and the resistance,R, by the equation V=IR. The current is decreasing at -4amps/sec as the resistance increases at 20ohms/sec. How fast is the voltage changing when

2. ### Physics

A 10-volt battery is connected to a circuit with two resistors, R1 and R2, in parallel. If R1 is greater than R2, what does Kirchhoff's loop rule indicate about the voltage drops across the resistors? The voltage drops across both

3. ### Physics

Which material provides resistance to the flow of electrons? A. Silver B. Saltwater C. Salt crystals D. Copper A circuit has a resistance of 50.0 ohms. What is the voltage needed to generate a current of 0.02 amps? A. 100 volts B.

4. ### physics 102

The output voltage of an AC generator is given by Δv = (180 V) sin (70πt). The generator is connected across a 13.0-Ω resistor. (a) By inspection, what is the maximum voltage? V (b) By inspection, what is the frequency? Hz (c)

1. ### Physics

Please check my answers: The voltage across a 10-ohm resistor carrying 3 amps must be? I got 30 volts-v=?, I=3 amps, R= 16 ohm. v= 30 amps * 10 ohm=30 volts A 4-ohm resistor is connected in parallel with a 6 ohm resistor. What is

2. ### physics

a 20 ohm and 60 ohm resistors are connected in series to a DC generator. The voltage across the 20 resistor is 80 volts. The current through the 60 ohm resistor? A) 1.0A B) 5.0 A C) is about 1.3 A D)4.0 A E) cannot be calculated

3. ### physics

A 15-volt power supply is used to power a circuit with two resistors in series. The voltage drop across R1 is 5 volts. What is the voltage drop across R2? 10 volts 20 volts 0 volts 5 volts

1. ### Math (Confused, no idea where to begin)

The voltage V across a charged capacitor is given by V(t) = 2e^-0.16t volts, where t is in seconds (A) what is the voltage V(5) after 5 seconds? Find the time t when the voltage will be 1 volt Enter your answers to two decimal

2. ### trig

the voltage, v, in volts, applied to an electric circuit can be modelled by the equation v=167sin(120pi)(t), where t is the time, in seconds. A component in the circuit can safely withstand a voltage of more than 120 V for 0.01

3. ### Science

Which option correctly identifies types of electromagnetic generators? (Select all that apply) transformer generator parallel generator AC generator DC generator

4. ### Physics

A 60.0-Hz ac generator with a peak voltage of 110 V drives a series RC circuit with R = 10.0  and C = 10.0 mF. The impedance is