Please hurry I will brainliest
1 answer:
Answer:
the inequaltiy is 16.5x363
X 22
Step-by-step explanation:
Okay so we can’t go over 363 miles since thats the maximum amount of miles for a full tank
1 gallon can travel 16.5 miles
So we can make x stand for amount of gallons
16.5x363
Now that makes sense becuase 16.5 miles for every gallon and we don’t know how much gallons since its not stated, now the amount can’t pass 363 but it could be equal so we make an less than or equal to sign
For X we solve it and get x22.
So a full tank can have 22 or less gallons of gas.
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Answer:
Step-by-step explanation:
There are simply 5 possible values in the given set. Out of these, only one of these is the number 1. Therefore, the probability a 1 is drawn (P(1)) is .
Answer:
Yes, we have sufficient evidence at the 0.02 level to support the company's claim.
Step-by-step explanation:
We are given that a sample of 1500 computer chips revealed that 32% of the chips do not fail in the first 1000 hours of their use. The company's promotional literature claimed that above 29% do not fail in the first 1000 hours of their use.
Let Null Hypothesis, : p
0.29 {means that less than or equal to 29% do not fail in the first 1000 hours of their use}
Alternate Hypothesis, : p > 0.29 {means that more than 29% do not fail in the first 1000 hours of their use}
The test statics that will be used here is One-sample proportions test;
T.S. = ~ N(0,1)
where, = proportion of chips that do not fail in the first 1000 hours of their use = 32%
n = sample of chips = 1500
So, <u>test statistics</u> =
= 2.491
<em>Now, at 0.02 level of significance the z table gives critical value of 2.054. Since our test statistics is more than the critical value of z so we have sufficient evidence to reject null hypothesis as it fall in the rejection region.</em>
Therefore, we conclude that more than 29% do not fail in the first 1000 hours of their use which means we have sufficient evidence at the 0.02 level to support the company's claim.