The company also discovers that it costs $15.50 to produce 3 camera cases, $23.50 to produce 7 camer cases, and $56 to produce 1
1 answer:
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Answer:
1.28
Step-by-step explanation:
Given that a sample of 1500 computer chips revealed that 55% of the chips do not fail in the first 1000 hours of their use. The company's promotional literature states that 53% of the chips do not fail in the first 1000 hours of their use.
(Two tailed test for testing sample proportion with population proportion)
Std error of proportion assuming p = 0.53 is
p difference = 0.02
Z= test statistic = p diff/std error = 1.2775~1.28
Answer:
233 Times
Step-by-step explanation:
In a standard cube, there are 6 faces labelled 1 to 6.
Numbers less than 5=1,2,3,4
The probability of rolling a number less than 5 =4/6
Therefore, if the standard number cube is rolled 350 times.
Number of Expected Outcome Less than 5
We would roll a number less than 5 233 times.