Practice performing the Chi-Squared test with the problems below. We collected data by flipping a two-sided coin 200 times. The coin landed heads-up 108 times and tails-up 92 times. Perform a Chi-Square test to see if there is any statistical difference between our results and the expected results. Accept or reject the null hypothesis.
Null hypothesis: There is no statistical difference between the number of heads and the number of tails. Outcomes Observed Expected O-E (O-E)2 (O-E)2/E
Outcome Outcome
X Chi Square Value:
Degrees of Freedom:.
Accept or Reject Null Hypothesis:.

rick has $1400 and sally has $1500

step-by-step explanation:

to find amount of money rick has after 10 years :

principal = $1000 , time = 10 years , rate = 4% annually

to find amount of money sally has after 10 years :

her friend gives to pay her $50 per year, therefore money she has after 10 years = 50 × 10 = $500

also, sally gets $1000 after 10 years,

therefore, total amount of money sally has after 10 years = 500 + 1000 = $1500

so, after 10 years : rick has $1400 and sally has $1500

its the second choice.

step-by-step explanation:

the elements in the range will be 7 less than the elements in the domain.

answer: graphs are something you write or draw and equations are math problems