2 years ago

Sally is planning the school picnic and needs to decide what food vendor to

Mathematics

1 answer:

Sliva [168]2 years ago

3 0

Answer:

The relative number of 8th graders tat want smoothies is 0.18. Because when finding relative frequency you divide the number which was 45 by the final total which was 250.

So the correct answer is 0.18

(This is for another question like this)

Your answer would be D.) 0.05

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You are conducting a study to see if the proportion of voters who prefer Candidate A is significantly more than 47%. With Ha : p

rodikova [14]

Answer:

The p-value is 0.0229

Step-by-step explanation:

With $H_{a}: p > 0.47$ we have an upper-tail alternative. Because the p-value is defined as the probability of getting a value at least as extreme as the value observed. The observed value is given by the test statistic z = 1.997 which comes from a standard normal distribution. Therefore, we compute the p-value in the following way P(Z > 1.997) = 0.0229, i.e., the p-value is 0.0229