natu2072
13.05.2021 •
Mathematics
What is the solution to the equation 1 over 2 multiplied by n equals 7?
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Ответ:
n=14
Step-by-step explanation:
multiply both sides by two to get rid of 1/2 and you find n=14
Ответ:
14
Step-by-step explanation:
Ответ:
0.7967
Step-by-step explanation:
We know that population proportion p=0.31.
We have to find P(phat<0.33).
Mean=p=0.31
standard deviation=0.024 (rounded to three decimal places)
Thus, the required probability that sample proportion of households spending more than $125 a week is less than 0.33 is 79.67%