NuggetSlayz NuggetSlayz
  • 23-05-2023
  • Mathematics
contestada

Ten per cent of bulbs produced by a factory are defective. A sample of 400 bulbs is taken.
The mean number of defective bulbs is:
(A) 0.4
(B) 10.0
(C) 40.0
(D) 360.0

The variance for the distribution of defective bulbs is:
(A) 36.0
(B) 20.0
(C) 6.0
(D) 3.6

Respuesta :

Otras preguntas

Any number raised to the zero power always equals
What document is known as the supreme law of the land? A. United States Code B. Declaration of Independence C. Bill of Rights D. United States Constitution
What two numbers add up to -1 and multiply to equal 7
in division, a problem includes a divisor, a dividend and....
in division, a problem includes a divisor, a dividend and....
Evaluate. 5 • [(14 + 3 • 30) + 120] + 103 – 10
the meaning for preheat
How tilted is the axis of the earth's rotation as compared to the plane of the earth's orbit? a. 3.5° b. 13.5° c. 23.5° d. 33.5°
Which of the following pathogens typically causes infections on the surface of the skin and nails, such as athlete's foot? A. Bacteria B. Fungi C. Parasitic
The vowel sounds that are most different in Middle English from their sound in Modern English are _____ and _____. short/long short /diphthongs schwa/long long