victoriae6405 victoriae6405

30-11-2022
Mathematics

contestada

the life in hours of a battery is known to be approximately normally distributed with standard deviation of 1 hour. a random sample of 10 batteries results in a mean life of 39.5 hours. (a) is there sufficient evidence in the sample data to support the claim that the mean battery life is less than 40 hours at α

Respuesta :

Otras preguntas

When m = 2 and p = one-fourth, j = 32. if j varies directly with m and inversely with p, what is the constant of variation? 4 16 64 256

What is the slope of the line in the graph below?

Which event prompted this speech by president bush?.

what is 1/2 - 3/10 in simplest form

solar power: description: renewable? non-renewable? pros and cons where it is found how it is recovered brief history how it is stored in the source how energy

4x - 8 = 16 what does X equal to?

what is the measurement of each interior angle in #17

15. If a=3 and b= -2, find the values of: (i) a^a + b^b ii) a^b + b^a

Question 2 of 10 What causes scientists to disagree? A. Some scientists are better than others. B. Many scientists do not use the scientific process. C. Scienti

What does "Y" equal? Answer ASAP and whoever gets it right can have brainliest