you design an experiment that manipulates the following factors (and levels): method of presenting material (visual, auditory); difficulty of material (easy, difficult); and amount of material (low, high). For a completely independent between-groups design with 10 participants per group, how many participants will you need

let x be the money she spent so that she can earn the free t-shirt.

since, she already spent $112.49

⇒

also, as per the statement: jennifer must spend $250 or more in order to qualify for a free t-shirt at the store.

then,

we have an inequality i.,e

subtract 112.49 from both sides we get;

therefore, $137. 51 more money does jennifer need to spend so that she can earn the free t-shirt

eve and marks ratios are equivalent

step-by-step explanation:

step-by-step :

15% chance.

step-by-step explanation:

3/10 times, the 5 year old will get a tablet. 5/10 times, the 13 yer old will get a tablet. multiply both fractions to get 15/100 times, both would have a tablet.