Answer:
20 senameters 2
Step-by-step explanation:
Answer:
Step-by-step explanation:
From the given information:
The sample size is 28
The population mean is 24.5 (ppb)
The sample mean is 225.3 (ppb)
Thus, the null and the alternative hypothesis can be computed as:
Null hypothesis:
Alternative hypothesis:
<em>Make the unknown numerator be x and unkown denominotor be y</em>
<em>We have : 7 - </em> = 6
=> = 7 - 6
=
<em>So we need to fill in the box :</em>
<em>If the answer is helpful, Brainliest please!</em>