Question

activity 1 of 6: hypothesis
the case of the dead phone
belinda was surprised to find that her phone, which she left plugged in for about an hour, had not charged in the slightest. she figured her charger was probably broken. to see if this was the case, belinda plugged the charger into her e - reader and used a different wall outlet. when the e - reader didnt charge either. belinda figured that
which choice best identifies the hypothesis of belindas experiment?
the charger isnt working because it failed with the e - reader.
the phone didnt charge because the charger is broken.
the phone didnt charge because the outlet is broken.
the phone wouldve charged if the charger had been working.

Explanation:

Belinda first thought her charger was broken when her phone didn't charge. Her experiment was centered around testing this idea. The hypothesis should reflect her initial thought about the cause of the phone not charging.

Answer:

The phone didn't charge because the charger is broken.