Describe three different ways animals get food

2 answers:

Montano1993 [528]4 years ago

6 0

1) They are carnivores and hunt for food.
2) They are herbivores and eat plants.
3) Some (like the ant) make food by farming.

jeyben [28]4 years ago

3 0

(1) Animals must expend energy to get food, they must actively obtain food from the environment.

(2) Clams use their valves to get food.

(3) Cats, tigers and lions use their claws in getting food.

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A survey of an urban university showed that 750 of 1,100 students sampled attended a home football game during the season. Using

sattari [20]

Answer:

b. 0.6592 and 0.7044

Step-by-step explanation:

In a sample with a number n of people surveyed with a probability of a success of $\pi$ , and a confidence interval $1-\alpha$ , we have the following confidence interval of proportions.

$\pi \pm z\sqrt{\frac{\pi(1-\pi)}{n}}$

In which

z is the zscore that has a pvalue of $1 - \frac{\alpha}{2}$ .

For this problem, we have that:

A survey of an urban university showed that 750 of 1,100 students sampled attended a home football game during the season. This means that $n = 1100, p = \frac{750}{1100} = 0.6818$