Mathematics, 17.06.2020 19:57 kkingstone7062
A foreign company which manufactures electric bulbs has assured its customers that the lifespan of the bulbs is 28 month. Recently the company embarked on a quality improvement research for their product. After the research using new technology, a sample of 70 bulbs was tested and they gave a mean lifespan of 30.2 months with a standard deviation of 4months. Does this justify the research undertaken? the critical value of the one tailed test at 1% level of significance to conduct a statistical test in order to establish the truth about the above question + 2.33
Answers: 2
Mathematics, 21.06.2019 15:30
The triangles are similar. what is the value of x? show your work.
Answers: 1
Mathematics, 21.06.2019 18:00
Determine the difference: 3.2 × 1010 – 1.1 × 1010. write your answer in scientific notation.
Answers: 1
Mathematics, 22.06.2019 00:10
Of of at a : $6, $8, $7, $6, $5, $7, $5, $7, $6, $28, $30 is?ato .ato .ato .ato .
Answers: 3
Mathematics, 22.06.2019 00:30
Will mark brainliest for correct answer! i have been on this problem for an hour and can't find the answer. i'm begging here! incase you cant read the instructions in the picture because of too much or too little lighting: note: enter your answer and show all the steps that you use to solve this problem in the space provided.write a list of steps that are needed to find the measure of b. provide all steps as clear as possible, !
Answers: 1
A foreign company which manufactures electric bulbs has assured its customers that the lifespan of t...
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