Sharon is planning a holiday for 4 people for 7 days.
2 answers:
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Answer:
x = -36
Step-by-step explanation:
5 + = -1
= -1 - 5
= -6
x = -6 * 6
x = -36
Point estimate for the difference between two population proportions is the difference between the two sample proportions, written as:
and the standard deviation is given by
When np and n(1-p) is greater than 5, then the sampling distribution is approximately normal and we can use standard normal methods.
Thus, the propability of a test <span>for the difference between two population proportions is given by
</span>
and the standard deviation is given by
When np and n(1-p) is greater than 5, then the sampling distribution is approximately normal and we can use standard normal methods.
Thus, the propability of a test <span>for the difference between two population proportions is given by
Answer:6111 km/hr
Step-by-step explanation:
Given
Distance travels by plane d=22,000 km
time taken t=3.6 hours
average speed