The price of grapes at the grocery store is $1.44 per pound. There are approximately 0.45 kilometers in a pound. To the nearest
1 answer:
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Amount of tip she gave,
Amount of tax given :
So, total amount she paid is :
Total = Actual cost + Tip + Tax
Total = $(15 + 3 + 1.35 )
Total = $19.35 .
Therefore, total amount she paid is $19.35 .
Hence, this is the required solution.
Answer:
this is a left tailed test
Null hypothesis, σ = 40 seconds
Alternate hypothesis, σ < 40 seconds.
Step-by-step explanation:
i) the standard deviation of duration times in seconds of the old faithful geyser is less than 40 sec. identify the null hypothesis and alternative hypothesis in symbolic form
ii) this is a left tailed test
Null hypothesis, σ = 40 seconds
Alternate hypothesis, σ < 40 seconds.