belladaviau128 belladaviau128
  • 13-02-2024
  • Mathematics
contestada

A manufacturer of light bulbs claims that its company's bulbs last an average of 1,500 hours with a standard deviation of 200 hours. what is the probability that the average time that a random sample of 100 bulbs will last is less than 1,450 hours? responses
a. 0.006
b. 0.025
c. 0.401
d. 0.994

Respuesta :

Otras preguntas

A square on a coordinate plane is translated 9 units down and 1 unit to the right. Which function rule describes the translation?
If volume is 325m to the power of 3, Find x
Given the sequence in the table below, determine the sigma notation of the sum for term 4 through term 15. n an 1 4 2 −12 3 36
The molecular weight of vitamin C , C6H8O6 is 176.12 grams over mol What is the mass in grams of 0.000142 mole of vitamin C Express the answer using three sign
A person began running due east and covered 15 kilometers in 2.0 hours. What is the average velocity of the person? Show all your work!
What is (-4x^3+35x+25)/(-2x-5)
add 408 to the difference of 7 000 and 3 096​
The main ingredients of most satellites of the jovian planets are
Suppose that the sun shrank in size but that its mass remained the same. What would happen to the orbit of the earth?
What number between 30 and 40 has only one and itself as factors?