diff --git a/tests/lottery_predictor/test_analyze.py b/tests/lottery_predictor/test_analyze.py
index 3e1c78f..3787b6e 100644
--- a/tests/lottery_predictor/test_analyze.py
+++ b/tests/lottery_predictor/test_analyze.py
@@ -35,3 +35,47 @@ def test_least_and_most_common_number() -> None:
     assert analyze.get_least_common_number(pb_df, columns=['powerball'], bottom=1) == [16]
     assert analyze.get_most_common_number(mm_df, columns=['mega_ball'], top=1) == [1]
     assert analyze.get_least_common_number(mm_df, columns=['mega_ball'], bottom=1) == [3]
+
+
+def test_calculate_probabilities() -> None:
+    """tests build_binary_matrix, build_next_targets and calculate_number_probability"""
+    pb_start = datetime(2015, 10, 4)
+    mm_start = datetime(2025, 4, 5)
+    date_end = datetime(2026, 3, 8)
+
+    pb_df = analyze.load_dataframe(
+        table_name='PowerballDraw', start_date=pb_start, end_date=date_end)
+    pb_probabilities = analyze.calculate_probabilities(data_frame=pb_df, max_number=69)
+
+    mm_df = analyze.load_dataframe(
+        table_name='MegaMillionsDraw', start_date=mm_start, end_date=date_end)
+    mm_probabilities = analyze.calculate_probabilities(data_frame=mm_df, max_number=70)
+
+    assert pb_probabilities[1] == 0.3142857142857143
+    assert mm_probabilities[1] == 0.04225352112676056
+
+
+def test_hot_cold_numbers() -> None:
+    """tests get_hot_numbers and get_cold_numbers"""
+    pb_start = datetime(2015, 10, 4)
+    mm_start = datetime(2025, 4, 5)
+    date_end = datetime(2026, 3, 8)
+
+    pb_df = analyze.load_dataframe(
+        table_name='PowerballDraw', start_date=pb_start, end_date=date_end)
+    pb_probs = analyze.calculate_probabilities(data_frame=pb_df, max_number=69)
+    mm_df = analyze.load_dataframe(
+        table_name='MegaMillionsDraw', start_date=mm_start, end_date=date_end)
+    mm_probs = analyze.calculate_probabilities(data_frame=mm_df, max_number=70)
+
+    assert (analyze.get_hot_numbers(probabilities=pb_probs) ==
+            [(13, 1.0), (61, 0.7), (21, 0.6714285714285715), (23, 0.6428571428571428), (28, 0.6428571428571428)])
+    assert (analyze.get_cold_numbers(probabilities=pb_probs) ==
+            [(49, 0.10000000000000009), (26, 0.11428571428571432), (46, 0.11428571428571432),
+             (34, 0.17142857142857149), (65, 0.18571428571428572)])
+    assert (analyze.get_hot_numbers(probabilities=mm_probs) ==
+            [(42, 0.19718309859154928), (18, 0.18309859154929578), (40, 0.18309859154929578),
+             (10, 0.16901408450704225), (49, 0.16901408450704225)])
+    assert (analyze.get_cold_numbers(probabilities=mm_probs) ==
+            [(35, 0.028169014084507043), (51, 0.028169014084507043), (1, 0.04225352112676056),
+             (3, 0.04225352112676056), (20, 0.04225352112676056)])