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emma3216
09.07.2019 •
Mathematics
In tossing four fair dice, what is the probability of tossing, at most, one 3
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Ответ:
Answer-
In tossing four fair dice, the probability of getting at most one 3 is 0.86.
Solution-
The probability of getting at most one 3 is, either getting zero 3 or only one 3.
P(Atmost one 3) = P(A) + P(B) = 0.48 + 0.38 = 0.86
Ответ:
Our decision rule will be to reject The null hypothesis H0 if the test statistic is less than -1.645, or if it is greater than +1.645.
Step-by-step explanation:
The hypotheses would be;
Null hypothesis;H0: μ = 500
Alternative hypothesis;Ha: μ ≠ 500
Since it's two - tailed at 0.1 level of significance, then each tail will contain 5% or 0.05. From the z-table attached, the corresponding critical value of 0.05 is approximately 1.645 standard deviations from the mean.
Thus, our decision rule will be to reject The null hypothesis H0 if the test statistic is less than -1.645, or if it is greater than +1.645.