Answer:
The weigh in gram is
Step-by-step explanation:
From the question we can even write out an equation which gives us the formula
is the density in this density formula, and since and from the question we know what the mass will be and what the volume will be.
in the equation above we just need to plug in the 202 milliliter into the equation.
Then if we cross multiply we have
grams = 0.685× 202
=138.7
Therefore, the weight in grams is 138.7
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Answer:
The null and alternative hypotheses are:
Under the null hypothesis, the test statistic is:
Now, we have to find the right tailed z critical value at 0.10 significance level. Using the standard normal table, we have:
Since the test statistic is greater than the z critical value, we therefore, reject the null hypothesis and conclude that there is sufficient evidence to support the claim that the university students weigh more than the population.